The Pin,spring, cataloged under National Stock Number 5315-00-421-3621, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-421-3621 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Expanded Diameter | 0.050 INCHES NOMINAL IN |
| Style Designator | COILED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| 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 |
|---|---|
| 4501396 | 3/9 Design control — primary reference H & E Venture, Llc |
NSN 5315-00-421-3621 is a Pin,spring, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2530-01-543-0605. Verify interchangeability with system specifications before substitution.
Key specifications for 5315-00-421-3621: Expanded Diameter: 0.050 INCHES NOMINAL IN; Style Designator: COILED; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.219 INCHES NOMINAL IN. 4 specifications are 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.
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.