Navigational & Optical Equipment
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
6F Aircraft Personnel Equipment
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 & Tools
6T Aircraft Automatic Pilots
6R Torpedo Attack Trainer
6S Automatic Stabilisers, Major Components, Servicing Spares and Tools
6T Aircraft Auto Pilots, Marks 9, 10, 10A, 13, SEP 2, 14 & 17, Major Components, Servicing Spares & Tools
6W Instrument Ancillaries to Radio Equipment
6Z Radioactivity Detection Equipment and Accessories, Unit and Major Servicing Spares
Armament
7A Bren machine guns
7B Small arms
7D Ground machine gun mountings
7E Ordnance & ordnance sights
7G Hispano guns
7H Browning machine guns
7J Vickers gas operated machine gun
Armament – Accessories
8A Machine gun firing gear
8B Machine gun sights
8C Machine gun belt & magazine
8D Special tools for armament equipment, including sights
Armament – Bomb and Torpedo Sights
9A Aircraft Towed Target Gear
9B Armament Ground Instructional Equipment
Communications Equipment
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)
Bombing Equipment
11A Aircraft Bomb Gear
11C Rocket Projector Gear
Ordnance
12A Bombs (Live)
12B Bombs (Dummy)
12C Ammunition
12E Torpedoes
12F Misc. Armament