The Pin,straight,threaded, cataloged under National Stock Number 5315-01-558-8439, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-558-8439 |
| Item Name | Pin,straight,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| First End Location | RADIUS END |
| Second End Taper Angle | 0.3 DEGREES NOMINAL |
| Thread Length | 0.735 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Taper Angle | 17.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.2500 INCHES NOMINAL IN |
| Pin Overall Length | 1.520 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Pin Grip Length | 0.650 INCHES NOMINAL IN |
| First End Tip Radius | 0.062 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A3261582 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-558-8439 is a Pin,straight,threaded, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-558-8439: First End Location: RADIUS END; Second End Taper Angle: 0.3 DEGREES NOMINAL; Thread Length: 0.735 INCHES NOMINAL IN; First End Style: CHAMFERED. 17 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.
NSN 5315-01-558-8439 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.