The Setscrew, cataloged under National Stock Number 5305-00-285-4665, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-285-4665 |
| Primary Part Number | 583947 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 STYLE |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 583947 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 25704-281280-24-0 | Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU) |
| 25704-281280-24-0 | Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU) |
| Reference | Meaning |
|---|---|
| 583947 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| 583947 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
| FFS103TYPE3STYLE2 | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-285-4665 is a Setscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-285-4665 has 3 manufacturer part numbers on file: 583947 (U S Army Tank Automotive Command Amsta-Im-Mm), 25704-281280-24-0 (Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke), 25704-281280-24-0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -).
Key specifications for 583947: Width Across Flats: 0.094 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. 15 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.