| 175X5-50 | D8404 | STAHLWILLE EDUARD WILLE GMBH & CO. KG |
| 41010555 | D8404 | STAHLWILLE EDUARD WILLE GMBH & CO. KG |
| DEF STAN 51-11 PART 2 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN51-11PT2 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| H6715 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS3555-TABLE 1 5X5.5MM | K7766 | BRITISH STANDARDS INSTITUTION |
| TABLE I (A) ITEM 1 5X5.5MM | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |