The Screw,machine, cataloged under National Stock Number 5305-01-494-0193, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-494-0193 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 2.094 INCHES NOMINAL IN |
| Screw Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT TOP ELEVATOR |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 AND STEEL COMP 303 AND STEEL COMP 304 AND STEEL COMP 305 AND STEEL COMP 316 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.319 INCHES MINIMUM AND 0.332 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 |
|---|---|
| MS24694-C30 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-494-0193 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-494-0193: Screw Surface Treatment: PASSIVATE; Fastener Length: 2.094 INCHES NOMINAL IN; Screw Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE; Thread Length: 0.438 INCHES NOMINAL IN. 15 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.