| 21768-142-258 | K0361 | THORN E M I ELECTRONICS LTD |
| 40839-99 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |
| BS1981HXSLUN0.190X01 | K0000 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU UKNCB RISK MANAGERS |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 16 10 UNF X 3/8 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE1610U | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981HXSLUN0.190X010STOOCD | K0000 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU UKNCB RISK MANAGERS |
| DEFSTAN53-57 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |