The Screw,close Tolerance, cataloged under National Stock Number 5305-01-714-9358, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-714-9358 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5732 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5853 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | MIL-DTL-18240 MIL SPEC SINGLE MATERIAL RESPONSE AND QPL-18240 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Material | PLASTIC NYLON LOCKING FEATURE |
| Thread Series Designator | UNF |
| Head Diameter | 0.456 INCHES NOMINAL 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 |
|---|---|
| NAS7504-4X | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-714-9358 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-714-9358: Fastener Length: 0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Thread Length: 0.370 INCHES NOMINAL IN; Material Document and Classification: AMS5731 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5732 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS5853 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL; Material Document and Classification: MIL-DTL-18240 MIL SPEC SINGLE MATERIAL RESPONSE AND QPL-18240 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE. 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.