The Pin,grooved,headless, cataloged under National Stock Number 5315-00-044-3139, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-044-3139 |
| Primary Part Number | 7952413 |
| 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 |
| First End Location | BOTH ENDS |
| First End Style | OVAL |
| Intermediate Diameter | 0.164 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN |
| Style Designator | CENTER GROOVE |
| Material Document and Classification | QQ-S-633,AMEND. 2 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Pin Small End Diameter | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL COMP B1112 OR STEEL COMP B1113 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 |
|---|---|
| 7952413 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 443139 | 5/9 Secondary reference General Motors Corp |
| 443139 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5315-00-044-3139 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 5315-00-044-3139 has 1 manufacturer part number on file: 7952413 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7952413: First End Location: BOTH ENDS; First End Style: OVAL; Intermediate Diameter: 0.164 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN; Style Designator: CENTER GROOVE. 9 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.