The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-346-2188, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-346-2188 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Taper Length | 0.045 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Second End Taper Angle | 23.5 DEGREES NOMINAL |
| Thread Length | 0.520 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.360 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Shank Length | 0.970 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.562 INCHES NOMINAL IN |
| Second End Style | POINTED |
| Thread Class | 3A A |
| Material | STEEL COMP 8630 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 |
|---|---|
| 762367 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-346-2188 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-346-2188: Shank Diameter: 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Second Shank Diameter: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; First End Taper Length: 0.045 INCHES NOMINAL IN; First End Location: THREADED END. 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.