The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-148-3901, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-148-3901 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Second End Taper Angle | 49.0 DEGREES NOMINAL |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.590 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.125 INCHES NOMINAL IN |
| Shank Length | 1.190 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shoulder Diameter | 0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Second End Tip Radius | 0.050 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 8630 OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 1.300 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 | N |
| Reference | Meaning |
|---|---|
| 3-67213-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-148-3901 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-148-3901: Shank Diameter: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; First End Location: THREADED END; Second End Taper Angle: 49.0 DEGREES NOMINAL; Hole Arrangement Style: ONE END DRILLED. 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.