The Pin,straight,headless, cataloged under National Stock Number 5315-01-321-5325, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-321-5325 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.303 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL |
| First End Taper Angle | 4.0 DEGREES MINIMUM AND 16.0 DEGREES MAXIMUM |
| Pin Overall Diameter | 0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN |
| Pin Overall Length | 1.500 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shear Strength | 20000 DOUBLE POUND |
| Second End Style | RADIUS |
| Material | STEEL OVERALL |
| Second End Corner Radius | 0.039 INCHES MINIMUM IN |
| 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 |
|---|---|
| MS16556-855 | 2/2 Government specification standardization U.S. Government activity |
NSN 5315-01-321-5325 is a Pin,straight,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-321-5325: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.303 INCHES NOMINAL IN; First End Style: CHAMFERED; Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL. 13 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.