The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-320-8718, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-320-8718 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| First Step Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Length | 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM SHOULDER IN |
| First End Location | RADIUS END |
| Third Step Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.580 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 20.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Second Step Diameter | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Shoulder Width Across Flats | 0.750 INCHES NOMINAL IN |
| First End Tip Radius | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Second End Style | SQUARE INTERNALLY THREADED |
| Thread Class | 2B |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Third Step Length | 0.610 INCHES MINIMUM AND 0.670 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 |
|---|---|
| 750581-43 | 3/2 Design control — primary reference U.S. Government activity |
| 750581-43 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5315-01-320-8718 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-320-8718: First Step Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Length: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM SHOULDER IN; First End Location: RADIUS END; Third Step Diameter: 0.375 INCHES NOMINAL IN. 21 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.