The Screw,machine, cataloged under National Stock Number 5305-00-271-6154, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-271-6154 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES |
| Thread Length | 0.804 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY MATERIAL AND HEAD DIMENSIONS |
| Width Between Flats | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 10S STYLE |
| Screw Material | STEEL COMP 410 OR STEEL COMP 416 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 12Z1009-344 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 592729PC4 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| FFS92TYPE1STYLE10S | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-271-6154 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-271-6154: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.875 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES. 18 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.