The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-298-5995, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-298-5995 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| First End Taper Length | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| First Step Diameter | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Location | UNTHREADED END |
| Third Step Diameter | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | 401626CA,CAGEC 06889 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 20.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Second Step Diameter | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| First Step Length | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Second End Style | SQUARE |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Third Step Length | 0.438 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 |
| Reference | Meaning |
|---|---|
| 285303 | 3/9 Design control — primary reference Big Joe Mfg Co |
NSN 5315-01-298-5995 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-298-5995: First End Taper Length: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; First Step Diameter: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; First End Location: UNTHREADED END; Third Step Diameter: 0.312 INCHES NOMINAL IN. 21 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.