The Setscrew, cataloged under National Stock Number 5305-00-317-3129, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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 | 5305-00-317-3129 |
| Primary Part Number | 7970894 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Point Diameter | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Head Height | 0.609 INCHES NOMINAL IN |
| Point Length | 2.375 INCHES NOMINAL IN |
| Fastener Length | 9.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.688 INCHES MAXIMUM IN |
| Hardness Rating | 212.0 BRINELL HULTGREN MINIMUM AND 253.0 BRINELL HULTGREN MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2A A |
| Test Data Document | 19207-7970894 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 1030 OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 7970894 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-00-317-3129 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-317-3129 has 1 manufacturer part number on file: 7970894 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7970894: Point Diameter: 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Head Height: 0.609 INCHES NOMINAL IN; Point Length: 2.375 INCHES NOMINAL IN; Fastener Length: 9.250 INCHES NOMINAL IN. 21 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.