| ASCC17-27C-025 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806-025 | K7766 | BRITISH STANDARDS INSTITUTION |
| R2118P5 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R2118P5 29.87X1.78 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| BSM48-025 | K7766 | BRITISH STANDARDS INSTITUTION |