| 17-27C | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 65050-3352 | K1384 | RACAL RADAR DEFENCE SYSTEMS LTD |
| R3168P5 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| A3-65050-3352 | K1384 | RACAL RADAR DEFENCE SYSTEMS LTD |
| BS1806-131 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-131 | K7766 | BRITISH STANDARDS INSTITUTION |