The Screw,machine, cataloged under National Stock Number 5305-01-174-2874, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-174-2874 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.206 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 3 TYPE AND 2C STYLE |
| Screw Material | STEEL COMP 302 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.249 INCHES MINIMUM AND 0.279 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 |
|---|---|
| AN505C6-6 | 2/2 Government specification standardization U.S. Government activity |
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-174-2874 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-174-2874: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.206 INCHES MINIMUM AND 0.299 INCHES MAXIMUM 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.