The Pin,straight,headless, cataloged under National Stock Number 5315-01-537-8478, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-537-8478 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES BOTH ENDS |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.016 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN |
| Pin Overall Length | 1.875 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL COMP 630 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 |
|---|---|
| 36-6081-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-537-8478 is a Pin,straight,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7690-01-557-7797. Verify interchangeability with system specifications before substitution.
Key specifications for 5315-01-537-8478: Surface Finish: 125.0 MICROINCHES BOTH ENDS; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.016 INCHES NOMINAL IN; First End Style: CHAMFERED. 10 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.