The Screw,machine, cataloged under National Stock Number 5305-01-548-6599, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-548-6599 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 2.073 INCHES MINIMUM AND 2.103 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-8844 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |
| Thread Length | 0.338 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1403 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL COMP 4340 AND STEEL COMP 8740 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416, TY3CL2 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 |
|---|---|
| NAS1403-28 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-548-6599 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-548-6599: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 2.073 INCHES MINIMUM AND 2.103 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-8844 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 3RD 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.