| 16M4221 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 262170 | K0160 | LISTER PETTER LTD |
| 60712 | K0092 | AP HYDRAULICS LTD |
| JA142C | K0160 | LISTER PETTER LTD |
| DEFSTAN07-63PT6 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS2470 | K7766 | BRITISH STANDARDS INSTITUTION |
| P1728 | K0435 | ALVIS AEROSPACE & TRANSMISSIONS |
| SP | U1811 | UNBRAKO A DIVISION OF S P S TECHNOLO IES LTD |