The Screw,machine, cataloged under National Stock Number 5305-01-653-9550, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-653-9550 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 2.7 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM MM |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 11.7 MILLIMETERS MINIMUM AND 12.3 MILLIMETERS MAXIMUM MM |
| Screw Material Document and Classification | AMS5731,AMS5732,AMS5737 OR AMS5853,A286 PER NA0067 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 11.7 MILLIMETERS MINIMUM AND 12.3 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NA0067 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 7.85 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 13900 NEWTONS PER SQUARE MILLIMETER |
| Internal Drive Style | OFFSET CRUCIFORM RIBBED |
| Thread Class | 4H6H |
| Thread Series Designator | MJ |
| Screw Surface Treatment Document and Classification | AMS2700,METHOD 1,CLASS 4 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 |
|---|---|
| NA0067 A050012 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-653-9550 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-653-9550: Head Height: 2.7 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM MM; Screw Surface Treatment: PASSIVATE; Fastener Length: 11.7 MILLIMETERS MINIMUM AND 12.3 MILLIMETERS MAXIMUM MM; Screw Material Document and Classification: AMS5731,AMS5732,AMS5737 OR AMS5853,A286 PER NA0067 NATIONAL SPEC SINGLE 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.