The Pin,grooved,headless, cataloged under National Stock Number 5315-01-231-3945, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-231-3945 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Undercut Width | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Undercut Diameter | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| First End Slot Width | 0.060 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Style Designator | GROOVE |
| Material Document and Classification | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.320 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Second Undercut Width | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| First End Slot Depth | 0.060 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| SS-472-449122-119 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5315-01-231-3945 is a Pin,grooved,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5335-01-231-7645. Verify interchangeability with system specifications before substitution.
Key specifications for 5315-01-231-3945: Undercut Width: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Undercut Diameter: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; First End Location: BOTH ENDS; First End Slot Width: 0.060 INCHES NOMINAL IN. 14 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.