The Screw,machine, cataloged under National Stock Number 5305-01-666-2363, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-666-2363 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.5465 INCHES MINIMUM AND 0.5935 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS6382 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6415 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6484 ASSN STD SINGLE MATERIAL RESPONSE AND AMS8740 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6322 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6325 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6327 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.5465 INCHES MINIMUM AND 0.5935 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 4140 |
| Minimum Yield Strength | 160000 POUNDS PER SQUARE INCH LOCATION NOT OTHERWISE SPECIFIED LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AMS-QQ-P-416 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 |
|---|---|
| NAS1801-3D9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-666-2363 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-666-2363: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.5465 INCHES MINIMUM AND 0.5935 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS6382 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6415 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6484 ASSN STD SINGLE MATERIAL RESPONSE AND AMS8740 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6322 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6325 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6327 ASSN STD SINGLE MATERIAL RESPONSE. 19 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.