The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-025-5381, 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 18 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 | 5315-01-025-5381 |
| Primary Part Number | 8734027 |
| 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 | 0.2501 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES SHOULDER END |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.250 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Shoulder Diameter | 0.3735 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Second Shank Length | 0.443 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL COMP 1025 OR STEEL COMP B1113 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 |
|---|---|
| 8734027 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-01-025-5381 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 5315-01-025-5381 has 1 manufacturer part number on file: 8734027 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8734027: Shank Diameter: 0.2501 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES SHOULDER END; First End Taper Length: 0.031 INCHES NOMINAL IN; First End Location: BOTH ENDS. 18 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.