The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-184-6579, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-184-6579 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 1.063 INCHES NOMINAL IN |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| Surface Finish | 32.0 MICROINCHES BOTH ENDS |
| First End Location | THREADED END |
| First End Counterbore Diameter | 0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| Second End Taper Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Hole Arrangement Style | BOTH END DRILLED |
| Thread Length | 0.380 INCHES NOMINAL IN |
| First End Style | COUNTERBORED W/O THRU HOLE |
| First Hole Diameter | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Shank Length | 0.220 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-5000 COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.070 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Hole Diameter | 0.191 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Shoulder Diameter | 1.0928 INCHES MINIMUM AND 1.0936 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 2.716 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN |
| Second End Counterbore Diameter | 0.449 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED AND COUNTERBORED |
| Thread Class | 3B |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNF |
| Second End Counterbore Depth | 0.840 INCHES NOMINAL IN |
| Distance From Centerline of Hole to End of Pin | 0.220 INCHES NOMINAL IN |
| First End Counterbore Depth | 0.590 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 |
|---|---|
| 4J33178-103C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-184-6579 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-184-6579: Shank Diameter: 1.063 INCHES NOMINAL IN; Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; Surface Finish: 32.0 MICROINCHES BOTH ENDS; First End Location: THREADED END. 28 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.