The Screw,machine, cataloged under National Stock Number 5305-00-559-8167, 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14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-559-8167 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Extended Washer Thickness | 0.020 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| Head Height | 0.062 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Screw Surface Treatment | COPPER |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY 655 |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.188 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 |
|---|---|
| 8948181P1 | 5/9 Secondary reference General Electric Company |
| 8948181P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-559-8167 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-559-8167: Extended Washer Thickness: 0.020 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN; Head Height: 0.062 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Screw Surface Treatment: COPPER; Fastener Length: 0.375 INCHES NOMINAL IN. 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.