The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-131-6927, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-131-6927 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES SHORT SHANK END |
| First End Taper Length | 0.045 INCHES NOMINAL IN |
| First Step Diameter | 1.000 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Third Step Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.285 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 0.530 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-B-637 ALLOY 464 1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Second Step Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| First Step Length | 4.000 INCHES NOMINAL IN |
| Second End Style | RADIUS |
| Thread Class | 2A A |
| Material | COPPER ALLOY 464 OVERALL |
| Second End Corner Radius | 0.060 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Third Step Length | 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM 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 |
|---|---|
| 4678209-0008 | 5/2 Secondary reference U.S. Government activity |
| 711-4678209 ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-131-6927 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-131-6927: Surface Finish: 63.0 MICROINCHES SHORT SHANK END; First End Taper Length: 0.045 INCHES NOMINAL IN; First Step Diameter: 1.000 INCHES NOMINAL IN; First End Location: THREADED END. 22 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.