The Screw,machine, cataloged under National Stock Number 5305-01-260-3249, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-260-3249 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.053 INCHES MAXIMUM IN |
| Fastener Length | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-321 FED SPEC ALL MATERIAL RESPONSES |
| Thread Length | 0.069 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.060 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 1S STYLE |
| Screw Material | COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 270 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 764 OR COPPER ALLOY 770 |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 80 |
| Thread Series Designator | UNF |
| Head Diameter | 0.099 INCHES MINIMUM AND 0.113 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 |
|---|---|
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
| AN520UB0R2 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-260-3249 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-260-3249: Head Height: 0.053 INCHES MAXIMUM IN; Fastener Length: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-321 FED SPEC ALL MATERIAL RESPONSES; Thread Length: 0.069 INCHES MINIMUM AND 0.125 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.