The Screw,machine, cataloged under National Stock Number 5305-01-587-9190, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-587-9190 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.089 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN |
| Screw Material Document and Classification | A286 (UNS S66286) CONFORMING TO CHEMISTRY OF AMS5731, AMS5732, AMS5737, OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.025 INCHES MINIMUM AND 1.104 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE III |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Screw Surface Treatment Document and Classification | AMS2700, METHOD 1, TYPE 2 OR TYPE 8, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS1802-5-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-587-9190 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-587-9190: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.089 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN; Screw Material Document and Classification: A286 (UNS S66286) CONFORMING TO CHEMISTRY OF AMS5731, AMS5732, AMS5737, OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE. 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.