The Screw,machine, cataloged under National Stock Number 5305-01-653-9873, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-653-9873 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM |
| Bearing Surface of Head Surface Finish | 0.8 MICROMETERS |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 29.7 MILLIMETERS MINIMUM AND 30.3 MILLIMETERS MAXIMUM MM |
| Screw Material Document and Classification | AMS6382 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AMS6415 NATIONAL SPEC 2ND MATERIAL RESPONSE OR AMS6484 NATIONAL SPEC 3RD MATERIAL RESPONSE OR AMS6322 NATIONAL SPEC 4TH MATERIAL RESPONSE OR AMS6325 NATIONAL SPEC 5TH MATERIAL RESPONSE OR AMS6327 NATIONAL SPEC 6TH MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 29.7 MILLIMETERS MINIMUM AND 30.3 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Shank Surface Finish | 0.8 MICROMETERS |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Surface Finish | 0.8 MICROMETERS |
| Specification/standard Data | 80205-NA0114 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Screw Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Minimum Tensile Strength | 19800 NEWTONS PER SQUARE MILLIMETER |
| Internal Drive Style | OFFSET CRUCIFORM RIBBED |
| Thread Class | 4H6H |
| Thread Series Designator | MJ |
| Screw Surface Treatment Document and Classification | AMS-QQ-+416,TYPE II,CLASS 2 (8-14 UM THICK) NATIONAL 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 |
|---|---|
| NA0114A060030 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-653-9873 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-653-9873: Head Height: 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM; Bearing Surface of Head Surface Finish: 0.8 MICROMETERS; Screw Surface Treatment: CADMIUM; Fastener Length: 29.7 MILLIMETERS MINIMUM AND 30.3 MILLIMETERS MAXIMUM MM. 21 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.