The Screw,machine, cataloged under National Stock Number 5305-00-533-9301, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-533-9301 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Extended Washer Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE |
| Extended Washer Diameter | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.372 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | DOUBLE HEXAGON W/ HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 601 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 36 |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Head Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Hole Diameter | 0.041 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | AMS 2403 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 |
|---|---|
| R1062P5NL | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-533-9301 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-533-9301: Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Head Height: 0.250 INCHES NOMINAL IN; Screw Surface Treatment: NICKEL; Fastener Length: 0.428 INCHES MINIMUM AND 0.448 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.