The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-699-3989, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-699-3989 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Fastener Length | 1.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-DTL-13924, CLASS 4 (NOT ON 316 OR 316L) MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM F593 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS-35307 NATIONAL STD/SPEC |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 384 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| MS35307-337B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-699-3989 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-699-3989: Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Fastener Length: 1.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-DTL-13924, CLASS 4 (NOT ON 316 OR 316L) MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. 16 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.