The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-388-8499, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-388-8499 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Second Shank Diameter | 0.298 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| First End Location | UNTHREADED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.490 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM 582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Shank Length | 0.450 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.620 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Thread Class | 2A A |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 3305464-001 | 3/9 Design control — primary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5315-01-388-8499 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-388-8499: Shank Diameter: 0.250 INCHES NOMINAL IN; Second Shank Diameter: 0.298 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; First End Taper Length: 0.060 INCHES NOMINAL IN; First End Location: UNTHREADED END. 20 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.