Basic Information:
| Item Name: | EXTENSION ASSY |
| NSN: | 1005 - 00 - 550 - 3963, 1005005503963 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 005503963 |
Manufacturer Part Numbers:
| Part Number: | 5503963 |
| Manufacturer: | ARMY UNITED STATES DEPARTMENT OF!THE!DBA ROCK ISLAND ARSENAL |
| NCAGE: | 19204 |