The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-204-4271, 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 20 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 | 5315-01-204-4271 |
| Primary Part Number | 12343867 |
| 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 |
| Second Shank Diameter | 0.180 INCHES NOMINAL IN |
| Undercut Width | 0.180 INCHES NOMINAL IN |
| First End Taper Length | 0.050 INCHES NOMINAL IN |
| Undercut Diameter | 0.175 INCHES NOMINAL IN |
| First End Location | CHAMFERED END |
| Surface Treatment Document and Classification | MIL-P-16232 TYPE M OR Z,CL 2 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Shank Length | 1.950 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Undercut Width | 0.060 INCHES NOMINAL IN |
| Second Shank Length | 0.940 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 1.870 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Second End Style | SQUARE |
| Second Undercut Diameter | 0.170 INCHES NOMINAL IN |
| Material | STEEL COMP 8620 OVERALL |
| 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 |
|---|---|
| 12343867 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-01-204-4271 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 5315-01-204-4271 has 1 manufacturer part number on file: 12343867 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12343867: Second Shank Diameter: 0.180 INCHES NOMINAL IN; Undercut Width: 0.180 INCHES NOMINAL IN; First End Taper Length: 0.050 INCHES NOMINAL IN; Undercut Diameter: 0.175 INCHES NOMINAL IN. 20 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.