The Screw,close Tolerance, cataloged under National Stock Number 5305-01-359-2298, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-359-2298 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.126 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN |
| Fastener Length | 1.289 INCHES MINIMUM AND 1.309 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Thread Length | 0.367 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-W-390 FED SPEC 1ST MATERIAL RESPONSE OR AMS5699 ASSN STD 2ND MATERIAL RESPONSE SPRING |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.750 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Minimum Tensile Strength | 90000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 FASTENER |
| Material | NICKEL ALLOY 600 OR NICKEL ALLOY X-750 SPRING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.181 INCHES MINIMUM AND 1.161 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| MIL-B-23964 | 4/1 Identification reference U.S. Government activity |
| MS3369A612 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-359-2298 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-359-2298: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.126 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN; Fastener Length: 1.289 INCHES MINIMUM AND 1.309 INCHES MAXIMUM IN. 26 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.