The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-231-0291, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-231-0291 |
| Primary Part Number | 11659779 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shank Diameter | 0.310 INCHES NOMINAL IN |
| Surface Finish | 125.000 MICROINCHES OVERALL |
| First End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 2.750 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Material | STEEL COMP 1137 OR STEEL COMP 1141 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11659779 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-00-231-0291 is a Pin,shoulder,headless, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-231-0291 has 1 manufacturer part number on file: 11659779 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11659779: Shank Diameter: 0.310 INCHES NOMINAL IN; Surface Finish: 125.000 MICROINCHES OVERALL; First End Taper Length: 0.030 INCHES NOMINAL IN; First End Location: BOTH ENDS. 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.