The Pin,spring, cataloged under National Stock Number 5315-01-181-2561, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pin,spring |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-181-2561 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D63477/1-68P | 2/2 Government specification standardization U.S. Government activity |
| 82A5027A5094 | 5/1 Secondary reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| DOD-P-63477/1 | 4/1 Identification reference U.S. Government activity |
NSN 5315-01-181-2561 is a Pin,spring, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-211-6781, 5315-01-385-6101, 5315-01-715-8673. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.