Basic Information:
| Item Name: | BLOCK,FRAME RETAINI |
| NSN: | 1005 - 00 - 716 - 1054, 1005007161054 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 007161054 |
Manufacturer Part Numbers:
| Part Number: | A10931 |
| Manufacturer: | MANROY ENGINEERING |
| NCAGE: | U4574 |
| Part Number: | 7161054 |
| Manufacturer: | US ARMY ARDEC RDECOM |
| NCAGE: | 19200 |
| Part Number: | 7161054 |
| Manufacturer: | SPRINGFIELD ARMORY |
| NCAGE: | 19205 |