Basic Information:
| Item Name: | RING,RETAINING,BEAR |
| NSN: | 1005 - 00 - 130 - 5521, 1005001305521 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 001305521 |
Manufacturer Part Numbers:
| Part Number: | 11643980 |
| Manufacturer: | U S ARMY TANK AUTOMOTIVE COMMAND!AMSTA-IM-MM |
| NCAGE: | 19207 |