The Screw,machine, cataloged under National Stock Number 5305-01-261-0669, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-261-0669 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.063 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN |
| Screw Material Document and Classification | ASTM A 106,TYPE FS1010 FED STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.963 INCHES MINIMUM AND 1.087 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 88044-AN510-8R18 GOVERNMENT SPECIFICATION |
| Screw Material | STEEL COMP 440B |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| 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 | 36 |
| Thread Series Designator | UNF |
| Head Diameter | 0.332 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,CLASS 3,TYPE 11 FED STD 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 |
|---|---|
| AN510-8R18 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-261-0669 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-261-0669: Head Height: 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 1.063 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN; Screw Material Document and Classification: ASTM A 106,TYPE FS1010 FED STD SINGLE MATERIAL RESPONSE. 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.