The Screw,machine, cataloged under National Stock Number 5305-00-285-1267, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-285-1267 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-763,CL7,TYA FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | ROUND |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| Head Diameter | 0.490 INCHES MINIMUM AND 0.518 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 |
|---|---|
| FFS92TYPE1STYLE5S | 4/1 Identification reference U.S. Government activity |
| 586964 | 5/9 Secondary reference CAGE 00000 |
NSN 5305-00-285-1267 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1560-00-716-5855, 2805-01-576-1454. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-285-1267: Head Height: 0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.500 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-763,CL7,TYA FED SPEC SINGLE MATERIAL RESPONSE. 17 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.