| BS1768 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1768-TABLE 1 3/8 UNC X 1-1/4 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-862 PART 2 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN02-862 PART 3 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN07-261 PART 3 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 730 PART 12 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 862 PART 3 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |