The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-070-1793, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-070-1793 |
| Primary Part Number | 12266945 |
| 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 | 0.1869 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.1872 INCHES NOMINAL IN |
| Undercut Width | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| First End Taper Length | 0.0200 INCHES NOMINAL IN |
| Undercut Diameter | 0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| First End Style | CHAMFERED |
| Shank Length | 0.5700 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTMA582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Second Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shoulder Diameter | 0.1869 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN |
| Second Shank Length | 1.2800 INCHES NOMINAL IN |
| Second Undercut Diameter | 0.1490 INCHES NOMINAL IN |
| Material | STEEL COMP 303 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 |
|---|---|
| 12266945 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 957B048145 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 48145 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5315-01-070-1793 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 5315-01-070-1793 has 2 manufacturer part numbers on file: 12266945 (U S Army Tank Automotive Command Amsta-Im-Mm), 957B048145 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-304-2840. Verify interchangeability with system specifications before substitution.
Key specifications for 12266945: Shank Diameter: 0.1869 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN; Second Shank Diameter: 0.1872 INCHES NOMINAL IN; Undercut Width: 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; First End Taper Length: 0.0200 INCHES NOMINAL IN. 17 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.