The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-351-2991, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Air Armament Center/ En. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-351-2991 |
| Primary Part Number | 879427-01 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Shank Diameter | 0.339 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.375 INCHES NOMINAL IN |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| First End Location | LONG END |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Shank Length | 0.937 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.772 INCHES MINIMUM AND 0.778 INCHES MAXIMUM IN |
| Second End Outer Radius | 0.190 INCHES NOMINAL IN |
| Second Shank Length | 2.688 INCHES NOMINAL IN |
| Second End Style | ROUND |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 879427-01 PRIMARY | Air Armament Center/ En (USA) |
NSN 5315-01-351-2991 is a Pin,shoulder,headless, manufactured by Air Armament Center/ En, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-351-2991 has 1 manufacturer part number on file: 879427-01 (Air Armament Center/ En).
Key specifications for 879427-01: Shank Diameter: 0.339 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Second Shank Diameter: 0.375 INCHES NOMINAL IN; First End Taper Length: 0.060 INCHES NOMINAL IN; First End Location: LONG END. 18 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.