The Pin,spring, cataloged under National Stock Number 5315-01-666-6921, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ohio Ordnance Works Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-666-6921 |
| Primary Part Number | MS16562-106 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ohio Ordnance Works Inc |
| Status | ACTIVE |
| Diameter | 0.81 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS16562-106 PRIMARY | Ohio Ordnance Works Inc (USA) |
NSN 5315-01-666-6921 is a Pin,spring, manufactured by Ohio Ordnance Works Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-666-6921 has 1 manufacturer part number on file: MS16562-106 (Ohio Ordnance Works Inc).
Key specifications for MS16562-106: Diameter: 0.81 INCHES NOMINAL IN; Overall Length: 0.313 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: BOLT CATCH PIN; End Item Identification: 7.62 MM MACHINE GUN MM. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5315-01-666-6921 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.