The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-124-4712, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-124-4712 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.312 INCHES NOMINAL IN |
| Second Shank Diameter | 0.3075 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM IN |
| Undercut Width | 0.073 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Undercut Diameter | 0.247 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Second End Taper Angle | 15.0 DEGREES NOMINAL |
| Thread Length | 1.070 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Hardness Rating | 33.0 ROCKWELL C NOMINAL OVERALL |
| Shank Length | 1.070 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.330 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| Second Shank Length | 0.700 INCHES NOMINAL IN |
| Second End Tip Radius | 0.060 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 361-10441-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-124-4712 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-124-4712: Shank Diameter: 0.312 INCHES NOMINAL IN; Second Shank Diameter: 0.3075 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM IN; Undercut Width: 0.073 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Undercut Diameter: 0.247 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN. 23 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.