The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-391-5155, 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23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-391-5155 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Length | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM SHOULDER IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.190 INCHES NOMINAL IN |
| Second End Taper Angle | 30.0 DEGREES NOMINAL |
| Thread Length | 0.378 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Step Width Across Flats | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Second Step Length | 0.127 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.132 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Second Step Diameter | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Shoulder Width Across Flats | 0.4370 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNF |
| Third Step Length | 0.373 INCHES MINIMUM AND 0.383 INCHES MAXIMUM 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 |
|---|---|
| 871232-3 | 3/2 Design control — primary reference U.S. Government activity |
| 871232-3 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5315-01-391-5155 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-391-5155: Length: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM SHOULDER IN; First End Location: THREADED END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Third Step Diameter: 0.190 INCHES NOMINAL 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.