The Screw,close Tolerance, cataloged under National Stock Number 5305-01-730-9584, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-730-9584 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.140 INCHES NOMINAL IN |
| Fastener Length | 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMSS2700, METHOD 1, TYPE 2 OR TYPE 8,CLASS 4 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE OR AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.501 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731, AMS5732, AMS5737 OR AMS5853 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.221 INCHES NOMINAL IN |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS5319 NATIONAL STD/SPEC |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR CADMIUM OVERALL |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM 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 |
|---|---|
| NAS5319E5-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-730-9584 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-730-9584: Head Height: 0.140 INCHES NOMINAL IN; Fastener Length: 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMSS2700, METHOD 1, TYPE 2 OR TYPE 8,CLASS 4 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE OR AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.501 INCHES NOMINAL IN. 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.