The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-021-0056, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-021-0056 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES SHANK END |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES SHOULDER END |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| First End Style | CHAMFERED |
| Shank Length | 3.906 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 1.500 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 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 |
|---|---|
| AA1730-1251-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-021-0056 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-021-0056: Shank Diameter: 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES SHANK END; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES SHOULDER END. 14 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.