The Screw,machine, cataloged under National Stock Number 5305-00-939-9148, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-939-9148 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Thread Length | 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | ROUND |
| Hole Diameter | 0.062 INCHES NOMINAL IN |
| Head Diameter | 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MS35275-282 | 5/9 Secondary reference U.S. Government activity |
| 91047-282 | 5/1 Secondary reference Eaton Aerospace Llc |
| MS35275-282 | 3/2 Design control — primary reference U.S. Government activity |
| AN500AD416-14 | 5/9 Secondary reference U.S. Government activity |
| 0407-388 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5305-00-939-9148 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-00-939-9150. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-939-9148: Head Height: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.875 INCHES NOMINAL IN; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES. 19 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.