The Pin,grooved,headless, cataloged under National Stock Number 5315-01-540-1903, 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 15 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 | 5315-01-540-1903 |
| Primary Part Number | 12486364 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Undercut Width | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| Undercut Diameter | 1.876 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN |
| First End Location | CHAMFERED END |
| First End Style | CHAMFERED |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Material Document and Classification | A311/A311M ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 2.000 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Effective Length | 5.136 INCHES MINIMUM AND 5.176 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Second End Style | SQUARE INTERNALLY THREADED |
| Material | STEEL COMP 1045 AND STEEL COMP 1050 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 |
|---|---|
| 12486364 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-01-540-1903 is a Pin,grooved,headless, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-540-1903 has 1 manufacturer part number on file: 12486364 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12486364: Undercut Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; First End Taper Length: 0.060 INCHES NOMINAL IN; Undercut Diameter: 1.876 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN; First End Location: CHAMFERED END. 15 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.