The Setscrew, cataloged under National Stock Number 5305-01-078-5975, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-078-5975 |
| Primary Part Number | 10911673 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 1.000 INCHES NOMINAL IN |
| Point Length | 0.750 INCHES NOMINAL IN |
| Fastener Length | 5.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325 TY 2,CL3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 4.500 INCHES NOMINAL IN |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 2.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 1.681 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OR CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OR STEEL COMP 8645 OR STEEL COMP 8650 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 10911673 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-01-078-5975 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-078-5975 has 1 manufacturer part number on file: 10911673 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10911673: Head Height: 1.000 INCHES NOMINAL IN; Point Length: 0.750 INCHES NOMINAL IN; Fastener Length: 5.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325 TY 2,CL3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL. 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.