The Screw,machine, cataloged under National Stock Number 5305-00-577-3739, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-577-3739 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | ROUND |
| Hole Diameter | 0.037 INCHES NOMINAL IN |
| Head Diameter | 0.156 INCHES MINIMUM AND 0.183 INCHES MAXIMUM 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 |
|---|---|
| AN500AD4-3 | 2/2 Government specification standardization U.S. Government activity |
| AN500AC4-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-577-3739 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-577-3739: Head Height: 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.188 INCHES NOMINAL IN; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES. 17 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.