The Screw,machine, cataloged under National Stock Number 5305-00-445-3345, 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14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-445-3345 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.172 INCHES NOMINAL IN |
| Screw Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.132 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNF |
| Head Diameter | 0.203 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | 20 FSCM 23610 MFR REF 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 |
|---|---|
| 1090976 | 3/9 Design control — primary reference H & E Venture, Llc |
NSN 5305-00-445-3345 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2530-01-694-4945. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-445-3345: Head Height: 0.188 INCHES NOMINAL IN; Screw Surface Treatment: NICKEL; Fastener Length: 0.172 INCHES NOMINAL IN; Screw Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE. 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.