The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-419-5166, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-419-5166 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER |
| First Step Diameter | 0.750 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.440 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Second Step Length | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-7720,COND B COLD FINISHED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.460 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Step Diameter | 0.374 INCHES NOMINAL IN |
| First Step Length | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shoulder Width Across Flats | 0.374 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Tip Radius | 0.090 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Third Step Length | 0.440 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 |
|---|---|
| 3040606-009-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-419-5166 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-419-5166: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER; First Step Diameter: 0.750 INCHES NOMINAL IN; First End Location: THREADED END; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 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.