The Screw,machine, cataloged under National Stock Number 5305-01-435-5149, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-435-5149 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B121 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B124 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.447 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416, TY2, CL3 FED SPEC 1ST 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 |
|---|---|
| MS35214-27C | 3/2 Design control — primary reference U.S. Government activity |
| 500748 | 5/9 Secondary reference Acme Electric Corporation Dba Advanced Energy Systms Aerospa Div Aerospace Division |
| MS35214-27C | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-435-5149 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1670-01-591-3437. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-435-5149: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.500 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B121 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B124 ASSN STD SINGLE MATERIAL RESPONSE. 16 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.