The Screw,machine, cataloged under National Stock Number 5305-01-374-3459, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-374-3459 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Screw Surface Treatment | OXIDE |
| Fastener Length | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Thread Length | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Surface Treatment Document and Classification | MIL-C-13924,CL4 MIL 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 |
|---|---|
| AVL344-1 | 3/2 Design control — primary reference U.S. Government activity |
| PC91058-1 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Rc Displays Systems |
NSN 5305-01-374-3459 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-374-3459: Head Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Screw Surface Treatment: OXIDE; Fastener Length: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Thread Length: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN. 14 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.