The Setscrew, cataloged under National Stock Number 5305-00-357-0590, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-357-0590 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.1864 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN |
| Width Across Flats | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Point Length | 0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Fastener Length | 1.350 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.849 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 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 |
| Reference | Meaning |
|---|---|
| SCB647166 | 3/2 Design control — primary reference U.S. Government activity |
| 5305003570590 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-357-0590 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-357-0590: Point Diameter: 0.1864 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN; Width Across Flats: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Head Height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Point Length: 0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN. 20 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.