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| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| CSP4-BE218 | K1017 | BAE SYSTEMS (OPERATIONS) LTD |
| BS1806-218 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-218 | K7766 | BRITISH STANDARDS INSTITUTION |
| 26VC-23314 | KD149 | MINISTRY OF DEFENCE JSC SCM SUPSVCS NCB2G DI |
| SP900B23 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |