The Pin,straight,headless, cataloged under National Stock Number 5315-00-504-6591, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-504-6591 |
| Primary Part Number | A46591 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.076 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.1880 INCHES NOMINAL IN |
| Pin Overall Length | 1.062 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.076 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| 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 |
|---|---|
| A46591 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| A46591 | 5/9 Secondary reference Wyman-Gordan Investment Castings, Inc. Div Pcc Structurals - Aluminum Operations |
| 5046591 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5315-00-504-6591 is a Pin,straight,headless, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-504-6591 has 1 manufacturer part number on file: A46591 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for A46591: First End Taper Length: 0.031 INCHES NOMINAL IN; Hole Arrangement Style: BOTH END DRILLED; First End Style: CHAMFERED; First Hole Diameter: 0.076 INCHES NOMINAL IN. 13 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.