The Screw,machine, cataloged under National Stock Number 5305-01-424-4590, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-424-4590 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR STRIP OR PELLET |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC 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 |
|---|---|
| MS21097-08004 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-424-4590 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-424-4590: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 17 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.