The Screw,close Tolerance, cataloged under National Stock Number 5305-01-528-7090, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-528-7090 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Length | 0.124 INCHES NOMINAL IN |
| Fastener Length | 1.972 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN |
| Thread Length | 0.665 INCHES NOMINAL IN |
| Material Document and Classification | AMS4967.AMS4967COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 1.312 INCHES NOMINAL IN |
| Grip Diameter | 0.438 INCHES NOMINAL IN |
| Minimum Tensile Strength | 19000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.826 INCHES MINIMUM AND 0.888 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 |
|---|---|
| NAS1580V7T21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-528-7090 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-528-7090: Point Length: 0.124 INCHES NOMINAL IN; Fastener Length: 1.972 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN; Thread Length: 0.665 INCHES NOMINAL IN; Material Document and Classification: AMS4967.AMS4967COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V. 19 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.