The Pin,grooved,headed, cataloged under National Stock Number 5315-00-159-6440, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-159-6440 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Width Across Flats | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| First End Taper Length | 0.030 INCHES NOMINAL IN |
| Undercut Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 1.147 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Style Designator | GROOVE |
| Material Document and Classification | MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Head Style | HEXAGON |
| Height | 0.063 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Undercut Radius | 0.030 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.105 INCHES MINIMUM AND 0.115 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 |
|---|---|
| 300-342012-11 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5315-00-159-6440 is a Pin,grooved,headed, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-159-6440: Surface Finish: 125.0 MICROINCHES OVERALL; Width Across Flats: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; First End Taper Length: 0.030 INCHES NOMINAL IN; Undercut Diameter: 0.250 INCHES NOMINAL IN. 19 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.