Basic Information:
| Item Name: | MAINSPRING |
| NSN: | 1005 - 00 - 368 - 9698, 1005003689698 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 003689698 |
Manufacturer Part Numbers:
| Part Number: | 25H |
| Manufacturer: | COLT DEFENSE LLC |
| NCAGE: | 13629 |
| Part Number: | 25H |
| Manufacturer: | HIGH STANDARD MFG CORP |
| NCAGE: | 28627 |