Here is a list of part numbers you may find useful in identifying parts

Identifying parts is sometimes difficult to do, part numbers are hard to trace these days, hopefully this list will help some of you. Please add any that you have yourselves.:)
26 codes
——————————————————————————–
MOD
ref Airframe
type——————————————————————————–26AE
Chipmunk T MK 10
26AF Hurricane including Tempest spares
26AJ Spitfire & Seafire
26AL Sunderland 5
26AN Oxford 1 & 2
26AQ Sea Hawk
26AT Wellington B10 T10 & 18
26BA Halifax
26BJ Martinet 1
26BM Attacker F & B
26BN Proctor 3 & 4
26BP Beaufighter TT10
26BT Barracuda 3
26BU Gannet AS1 & T2
26BV Sycamore HR
26BW Dominie 1
26BX Typhoon including Tempest spares
26BY Mosquito & Sea Mosquito
26BZ Firefly
26DA Javelin F (AW)
26DB Whirlwind & Westland Sikorsky S55
26DC Vulcan B
26DD Anson
26DE Victor B1
26DF Beverley C
26DG Seamew
26DH Scimitar F1
26DJ Belvedere HC
26DK Lightening
26DL Comet 2
26DM Britannia
26DN Gnat Trainer
26DP Alouette (British spares)
26DQ Basset CC1
26DR Beaver AL
26DV Venom FB NF & Sea Venom FAW
26EA Lancaster , Lincoln 2 & York C1
26ED Horsa 2
26EH Meteor F8 & T7
26EM Sea Otter
26EN Auster
26ER Tempest 2, TT5 & 6
26ET Meteor NF & TT20
26EV Vickers 1000 Transport Aircraft
26EW Hornet & Sea Hornet
26FA Brigand
26FC Vampire & Sea Vampire
26FH Sea Fury
26FK Hastings
26FL Valetta & Viking
26FM Prentice T1
26FN Devon C
26FP Shackleton
26FR Winged Targets
26FU Balliol & Sea Balliol
26FV Dragonfly HC & HR
26FW Heron
26FX Hunter & De Havilland N139D(Type 110)
26FY Sea Vixen
26FZ Canberra
26GA Bristol standard parts for Beaufighter, Brigand & Buckmaster
26KK Osprey
26LK Hercules CMK1
26MM SA330E Anglo-French Helicopter
26NA Buccaneer
26NB Belfast
26PH Phantom GRF
26PJ Jet Provost T
26PN Percival Provost T1
26PP Pembroke HC, C1 & Sea Prince
26RA Jaguar
26SA Pioneer CC1
26SH Sea King
26SK Skeeter
26SR Valiant B
26SS Swift
26SW Scout [& Wasp]
26TA Andover
26TD Dominie T
26TP Twin Pioneer
26TT Tiger Moth 2
26TV Varsity T1
26UU Wellington 1
26V Hart DB & India & T
26VA Harrier GR
26VC VC10C
26WA Argosy
26WX Wessex

‘126’ Codes (US Spares)
——————————————————————————–MOD
Ref. Airframe
——————————————————————————–CB Sioux
CK Chinook
HA Baltimore
HF Boston
HG Buffalo
HH Bermuda
HJ Vigilant
HK Catalina
HL Liberator
HO Lightening
HP Maryland
HT Vengence
HU Goose
JH Lodestar
JJ Argus
JL Mitchell
JM Marauder
JP Mariner
JQ Dakota
JU Expeditor
JV Coronado
JZ Hadrian
KB Ventura
KC Piper Club
KG Cornell
KN Expeditor (US)
KL Hoverfly

’36’ Codes Engine Spares
——————————————————————————–MOD
Ref. Engine
——————————————————————————–36AB
Bombardier 20801
36AC Olympus
36AD Viper
36AE Conway
36AF Rover airborne aux power plant
36AH Proteus
36AK Orpheus
36AL Alvis Leonides
36BB Artouste Patouste & Turmo
36BC Nimbus
36DD Rolls Royce Merlin and tools
36DE Gnome
36DG Gyron Junior
36DT Dart
36FF Gypsy Major & Gypsy Queen & De Havilland tools
36HH Rolls Royce Griffon and tools
36HS Hawker Siddeley fuel control equipment
36JJ Derwent turbine engines
36KK Goblin 2 & 3
36LL Lucas fuel equipment
36M Sabre and Napier repair tools
36MM Dowty fuel system equipment
36NG Gazelle
36PG Pegasus
36PP Python 2 & 3 engine
36Q Rolls Royce Nene jet
36R Bristol Mercury, Centaurus & Hercules tools
36SN Rolls Royce Spey Mk201/202
36SS Sapphire
36ST Rolls Royce Spey Mk250
36SY Rolls Royce Spey
36TN Rolls Royce Tyne
36TT Ghost
36TU Rolls Royce Turmo III
36U Cheetah & Armstrong Siddeley tools
36VV Rolls Royce Avon jet
36W Centaurus & Bristol tools
36WW Double Mamba

Electrical Equipment
——————————————————————————–MOD
Ref. Component
——————————————————————————–5A Ground
Lighting and Miscellaneous Equipment
5B Aircraft Wiring Assemblies
5CW Aircraft Electrical Switches, Switchboxes, Relays and Accessory Items
5CX Aircraft Electrical Lamps, Indicators, Lampholders and Accessory Items
5CY Aircraft Electrical Plugs, Sockets, Circuit Markers, Suppressors and Accumulator
Cut-outs
5CZ Aircraft Electrical Miscellaneous Stores
5D Aircraft Armament Electrical Stores
5E Cable and Wire Electrical Stores
5F Insulating Materials Electrical Stores
5G Special Ground Equipment
5H Standard Wiring System
5J Batteries Primary and Secondary
5K Electrical A.G.S and Bonding Stores
5L Electric Lamps
5P Ground Charging, Transforming Equipment and Motors
5Q Ammeters, Micro-ammeters, Milli-ammeters, Voltmeters and Milli-voltmeters
5S Strip Wiring Components
5UA Aircraft Engine and Air Driven Electrical Current Producing Equipment and Spares
5UB Aircraft Electrically Driven Electrical Current Producing and Transforming Equipment
and Spares
5UC Aircraft Electrical Current Control Equipment and Spares
5UD Aircraft Electrical Motors, Blowers and Spares
5UE Aircraft Electrically Driven Pumps, Accessories and Spares
5V Aircraft Electrical Domestic Equipment
5W Aircraft Electrical Actuators, Accessories and Spares
5X Component Parts of Wiring Assemblies

Radio, Radar, Telephone and Telegraphic Equipment
——————————————————————————–MOD
Ref. Description
——————————————————————————–10A
Miscellaneous Radio (Wireless) Equipment
10AB Miscellaneous Radio (Radar) Equipment
10AC Unassembled Items peculiar to Radio with Generic Headings similar to those in Sections
28 and 29
10AD Items and Assemblies performing Circuit Functions (Nomenclature commencing Letters
A-K)
10AD Items and Assemblies performing Circuit Functions (Nomenclature commencing Letters
L-Z)
10AF Calculating, Indicating and Measuring Equipment
10AG Tools and Tool Boxes peculiar to Radio
10AH Telephone Head Equipment, Microphones and Receivers
10AJ Mountings and their Component Parts
10AK Dials, Handles, Knobs, Plates, Escutcheon, Pointers, Press buttons and Scales
10AL Screens and Insulating Components and their Assemblies
10AM Labels (Radio)
10AP Boxes, Cases, Covers and Trays, other Cases, Transit
10AQ Furniture, Tentage, textile Materials and Ventilator Equipment, peculiar to Radio
10AR Machinery, Machine and Mechanical Parts other than those in Section 10AC
(Nomenclature commencing Letters A-K)
10AR Machinery, Machine and Mechanical Parts other than those in Section 10AC
(Nomenclature commencing Letters L-Z)
10AT Windows and Visors
10AU Strip Metallic
10B Radio (Wireless and Radar) Aerial and Mast Equipment and Insulators
10BB Radio (Radar) Aerial and Mast Equipment and Insulators
10C radio Chokes, Capacitors and Inductors (see also Joint-Service Catalogue)
10CV Joint Service Common Valves
10D Radio (Wireless and Radar) Equipment, Modulators, Panels, Receivers, Transmitters etc.
10DB Radio (Radar) Equipment, panels, Power Units, Racks, Receivers and Transmitters
10E Magnets and Radio Valves (Industrial Types)
10F Radio (Wireless and Radar) Starters and Switch Gear
10FB Radio (radar) starters and Switch Gear
10G Ground Telephone and Telegraph Equipment
10GP Ground Telephone and Telegraph Equipment – Post Office Pattern
10H Radio Connectors, Discs Indicating, Fuses, Leads, Plugs and Sockets and Ancillary
Parts,
Holders and Terminals.
10HA Radio (Wireless and Radar) Connectors, Cords Instrument and Leads
10J Radio Remote Controls
10K Radio (Wireless and Radar) Power Units and Transformers
10KB Radio (Radar) Power Units and Transformers
10L Radio (Wireless and Radar) Control Units
10LB Radio (Radar) Control Units
10P Radio (Wireless and Radar) Filter and Receiver Units
10PB Radio (Radar) Filter and Receiver Units
10Q Radio (Wireless and Radar) Indicating Units
10QB Radio (Radar) Indicating Units
10R Radio (Wireless and Radar) Transmitter Units
10RB Radio (Radar) Transmitter Units
10S Radio (Wireless and Radar) Test Equipment
10SB Radio (Radar) Test Equipment
10T Radio Monitors and Wavemeters
10U Radio (Wireless and Radar) Amplifying Units, Loudspeakers and Sound Reproduction
Equipment
10UB Radio (Radar) Amplifying Units and Loudspeakers
10V Radio (Wireless and Radar) Oscillator Units
10VB Radio (Radar) Oscillator Units
10W Radio Resistors and miscellaneous Spares
10X Radio Crystal Units
10Y Cases Transit (general Radio purposes)

General Ground and Air Armament Equipment
——————————————————————————–MOD
Ref. Description
——————————————————————————–9 Bomb
and Torpedo Sights
9A Aircraft Towed Target Gear
9B Armament Ground Instructional Equipment
11A Aircraft Bomb Gear
11C Rocket Projector Gear
40H Gun Turret Cases and Airtight Containers
50A Aircraft Gun Turrets
50CC Boulton Paul Gun Turret and Gun Mounting Tools
50DD Bristol Gun Turret Tools
50EE Frazer Nash Gun Turret Tools
50H Aircraft Gun Turret Maintenance Equipment
50J Free Gun Mountings

Instruments, Models, Navigation and Plotting Equipment, Aircraft Automatic Pilots
——————————————————————————–MOD
Ref. Description
——————————————————————————–6A
Aircraft Engine and Flying Instruments, Accessories and Spares
6B Aircraft Navigation Equipment, Accessories and Spares
6C Instrument Test Equipment, Tools, Accessories and Unit Equipment Spares
6D Aircraft Gaseous Apparatus and Ancillary Equipment
6E Miscellaneous Instruments, Accessories and Unit Servicing Spares
6H Aircraft Automatic Pilots, Marks 4 and 8, Major Components, Servicing Spares and Tools
6J Aircraft Automatic Pilots, Types A3 and A3A and A.L.1, Major Components, Servicing
Spares and Tools
6S Automatic Stabilisers, Major Components, Servicing Spares and Tools
6T Aircraft Automatic Pilots, Marks 9, 10, 10A, 13, SEP 2, 14 and 17, Major Components,
Servicing Spares and Tools
6W Instrumemnt Ancillaries to Radio Equipment
6Z Radio activity Detection Equipment and Accessories, Unit and Major Servicing Spares
13 Drawing Instruments
52 Recognition Models
54A Plotting Equipment

Photographic Equipment
——————————————————————————–MOD
Ref. Description
——————————————————————————–14A
Cameras
14B Photographic Processing Equipment, Enlargers and Accessories
14C Projection, Assessing Apparatus and Epidiascopes
14H Photographic Test Apparatus

General Aircraft Equipment
——————————————————————————–MOD
Ref. Component
——————————————————————————–6F
Aircraft Personnel Equipment
15A Man-carrying Parachutes
15C Equipment-dropping and Sea-rescue Apparatus
15D Air Sea Rescue and Equipment, and Supply-dropping Parachutes
25A Propellers
25B Aircraft Radiators
25D Spinners for Fixed Pitch Propellers and Fairey Spares for Metal Propellers
27A Aircraft Wheel Equipment
27B Aircraft Air and Oil Filters, Fuel and Oil Coolers
27D Miscellaneous Aircraft Cover Equipment
27F Aircraft Pumps and fuelling Equipment (Airborne)
27G Aircraft Brake System Equipment
27H Miscellaneous Aircraft Equipment
27J Aircraft Control Handles with Gun, Camera, R.P. and Brake Operating Mechanisms
27K Teleflex Aircraft Remote Control Equipment
27KA Exactor Aircraft Remote Control Equipment
27KB Aircraft Controls – Roller Chains
27KD Pressurised Cabin Equipment – Normalair
27M Aircraft Hydraulic and Undercarriage Equipment – Lockheed
27N Airborne Fire Fighting Equipment
27R B.L.G. Oleo Leg Equipment
27S Standard Ball and Roller Bearings other than M.T.
27T Controllable Gills
27U Airborne Heaters
27UA Aircraft Cabin Cooling Equipment
27V Aircraft Controls – Teddington
27VA Aircraft Controls – Dunlop
27VC Aircraft Controls – Palmers
27W Aircraft Hydraulic and Undercarriage Equipment, Standard Design
27WW Aircraft Windscreen Wiper Equipment
27Z Turner Duplex Hand Pumps for Aircraft Hydraulic Systems
27ZA Exactor Self Sealing Couplings

A.G.S. and General Hardware
——————————————————————————–MOD
Ref. Description
——————————————————————————–28D Bolts
A.G.S.
28E Clips A.G.S.
28F Couplings A.G.S.
28FP Aircraft Fastener and Quick Release Pins
28G Eyebolts A.G.S.
28H Ferrules A.G.S.
28J Filler Caps and Fuel Filters A.G.S.
28K Fork Joints A.G.S.
28L Locknuts, Lockwashers A.G.S.
28M Nuts A.G.S.
28N A.G.S. Miscellaneous A to O
28P Pins A.G.S.
28Q Rivets A.G.S.
28R A.G.S. Miscellaneous P to R
28S Screws A.G.S. Miscellaneous A to O
28T Studs A.G.S.
28U Trunnions and Turnbuckles A.G.S.
28V Unions A.G.S.
28W Washers A.G.S.
28X Wire A.G.S.
28Y A.G.S. Miscellaneous S to Z
29A Bolts and Nuts, General Hardware
29B Screws, General Hardware
29C Eyelets, Roves, Screw Cups, Washers, General Hardware
29E Pins, Woodruff Keys, General Hardware
29F Rivets, General Hardware

Workshop, Ground, Hangar, Marine and Compressed Gas Equipment
——————————————————————————–MOD
Ref. Description
——————————————————————————–4A
Workshop Equipment
4C Airfield Equipment
4F Air Compressors and Servicing Trolleys
4G Aircraft Servicing and Ground handling Equipment
4K General Ground Equipment (including Refuelling Equipment)
4N Sparking Plug Testing and Servicing Equipment
4FZ Air Compressor Spares
71B Plants (Mobile, Transportable and Static) and Plant Accessories

Voltage information supplied by Spitfire Spares member Dave. Instrument voltage is generally marked on the case and this info will be invaluable when identifying instrument use.
*Spitfire IX – 12v
Spitfire XXII – 12V
Spitfire 14 – 12V
Spitfire 16 – 12V
Spitfire 19 – 12V
Spitfire 22 & 24 – 24V
Wellington – 24V
Beaufighter – 24V
Lincoln – 24V
York – 24V
Dakota I -12V
Dakota III – 24V
Anson I – 12v
Anson 22 – 24V
Lancaster – 24V
Stirling – 24V
Halifax -24V
Varsity – 24V
Sea Fury – 24V
Tempest II -24V
Meteor III – 24V
Mosquito – 24V
Vampire – 24V
Harvard – 12v
Oxford – 12v
Hornet – 24v
Canberra – 24v
Chipmunk – 24V
Mustang – 24v
Hurricane – 12V