| 56-50-127 | K7404 | OGCBUYING.SOLUTIONS |
| BS871 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN 53-4 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN 53-4-P400-WEIGHT A | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS871-A WEIGHT,GRADE P400 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS872 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP38959 | K7404 | OGCBUYING.SOLUTIONS |