The Screw,close Tolerance, cataloged under National Stock Number 5305-01-008-5407, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-008-5407 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 1.300 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.352 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.412 INCHES MINIMUM AND 0.439 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 |
|---|---|
| C387H4-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-008-5407 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-008-5407: Fastener Length: 1.300 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.352 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN; Material Document and Classification: AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.