The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-374-9503, 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 | 5315-01-374-9503 |
| Primary Part Number | 12933388 |
| 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 | 0.488 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Undercut Width | 2.500 INCHES NOMINAL IN |
| First End Taper Length | 0.065 INCHES NOMINAL IN |
| Undercut Diameter | 0.455 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| First End Location | LONG END |
| Surface Treatment Document and Classification | MIL-C-26074,CL 2,GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 2.620 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A322 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A322 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A322 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A322 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Shank Length | 0.250 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP 4130 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8637 OR STEEL COMP 8640 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 |
|---|---|
| 12933388 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5315-01-374-9503 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 5315-01-374-9503 has 1 manufacturer part number on file: 12933388 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12933388: Shank Diameter: 0.488 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN; Second Shank Diameter: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Undercut Width: 2.500 INCHES NOMINAL IN; First End Taper Length: 0.065 INCHES NOMINAL IN. 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.