The Screw,machine, cataloged under National Stock Number 5305-01-615-0556, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-615-0556 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.609 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN |
| Document Type | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION |
| Screw Material Document and Classification | AMS6382 ASSN STD 1ST MATERIAL RESPONSE OR AMS6415 ASSN STD 2ND MATERIAL RESPONSE OR AMS6484 ASSN STD 3RD MATERIAL RESPONSE OR AMS6325 ASSN STD 4TH MATERIAL RESPONSE OR AMS6327 ASSN STD 5TH MATERIAL RESPONSE |
| Thread Length | 1.577 INCHES MINIMUM AND 1.592 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1801-08-26 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Screw Surface Treatment Document and Classification | AMS-QQ-P-416 TYPE II, CLASS 2 ASSN STD 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 |
|---|---|
| NAS1801-08-26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-615-0556 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-615-0556: Head Height: 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 1.609 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN; Document Type: INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. 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.