The Screw,machine, cataloged under National Stock Number 5305-01-030-9120, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-030-9120 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.121 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.412 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Hole Configuration Style | HEXAGON FLATS |
| Hole Diameter | 0.047 INCHES NOMINAL 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 |
|---|---|
| MS9498-06 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-030-9120 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-030-9120: Head Height: 0.121 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Fastener Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.412 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN. 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.