The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-139-1844, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-139-1844 |
| Primary Part Number | 12306947 |
| 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 | 0.499 INCHES NOMINAL IN |
| Second Shank Diameter | 0.500 INCHES NOMINAL IN |
| Undercut Width | 0.060 INCHES NOMINAL IN |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| Undercut Diameter | 0.437 INCHES NOMINAL IN |
| First End Countersink Diameter | 0.125 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| First End Style | CHAMFERED AND COUNTERSUNK |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Second End Relationship with First End | IDENTICAL |
| First End Countersink Angle | 45.0 DEGREES NOMINAL |
| Second Undercut Width | 0.060 INCHES NOMINAL IN |
| Shoulder Diameter | 0.880 INCHES NOMINAL IN |
| Second Shank Length | 0.500 INCHES NOMINAL IN |
| Second Undercut Diameter | 0.499 INCHES NOMINAL IN |
| Material | STEEL COMP 630 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 |
|---|---|
| 12306947 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 900254 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-139-1844 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 5315-01-139-1844 has 1 manufacturer part number on file: 12306947 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12306947: Shank Diameter: 0.499 INCHES NOMINAL IN; Second Shank Diameter: 0.500 INCHES NOMINAL IN; Undercut Width: 0.060 INCHES NOMINAL IN; First End Taper Length: 0.060 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.