The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-398-1731, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-398-1731 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.727 INCHES MINIMUM AND 0.737 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| First End Counterbore Diameter | 0.650 INCHES NOMINAL IN |
| First End Style | COUNTERBORED W/O THRU HOLE |
| Shank Length | 0.808 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.925 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN |
| Second Shank Length | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 1117 OVERALL |
| First End Counterbore Depth | 0.650 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 |
|---|---|
| 8387874-01 | 3/9 Design control — primary reference Hq Electronic Systems Div Air Force Systems Command |
NSN 5315-01-398-1731 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-479-7069. Verify interchangeability with system specifications before substitution.
Key specifications for 5315-01-398-1731: Shank Diameter: 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN; Second Shank Diameter: 0.727 INCHES MINIMUM AND 0.737 INCHES MAXIMUM IN; First End Location: THREADED END; First End Counterbore Diameter: 0.650 INCHES NOMINAL IN. 12 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.