The Screw,machine, cataloged under National Stock Number 5305-00-080-5339, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-080-5339 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.060 INCHES NOMINAL IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.560 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 48 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.180 INCHES NOMINAL 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 |
|---|---|
| 105290-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-080-5339 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-550-7872. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-080-5339: Head Height: 0.060 INCHES NOMINAL IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.560 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE. 13 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.