The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-157-0963, 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23 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-157-0963 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER |
| Surface Finish | 63.0 MICROINCHES ROUND END |
| First End Taper Length | 0.045 INCHES NOMINAL IN |
| First Step Diameter | 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Third Step Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.560 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 2.370 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| 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 Step Diameter | 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Second End Outer Radius | 0.280 INCHES NOMINAL IN |
| First Step Length | 2.380 INCHES NOMINAL IN |
| Second End Style | ROUND |
| Thread Class | 2A A |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Third Step Length | 0.940 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 |
|---|---|
| 4674790 ITEM 13 | 5/9 Secondary reference Naval Sea Systems Command |
| 4674790-13 | 3/2 Design control — primary reference U.S. Government activity |
| 87624-505 ITEM 13 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5315-01-157-0963 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-157-0963: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER; Surface Finish: 63.0 MICROINCHES ROUND END; First End Taper Length: 0.045 INCHES NOMINAL IN; First Step Diameter: 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM 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.