The Screw,machine, cataloged under National Stock Number 5305-01-545-8593, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-545-8593 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Material Document and Classification | QQ-N-281D(2) FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Screw Material | NICKEL ALLOY |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 803-1385789PC9 | 3/2 Design control — primary reference U.S. Government activity |
| 1385789 | D/9 Drawing number reference only U.S. Government activity |
NSN 5305-01-545-8593 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-547-2839, 4510-01-658-9621, 2040-01-687-6107. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-545-8593: Screw Material Document and Classification: QQ-N-281D(2) FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: ROUND; Thread Direction: RIGHT-HAND. 7 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.