The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-706-3288, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-706-3288 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 0.5275 INCHES MINIMUM AND 0.7185 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700 METHOD 1, TYPE 2 OR 8, CLASS 4 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.4635 INCHES MINIMUM AND 0.6865 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5731 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS5732 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1802 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS1802 REV 10 | D/9 Drawing number reference only U.S. Government activity |
| NAS1802-5-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-706-3288 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-706-3288: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 0.5275 INCHES MINIMUM AND 0.7185 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700 METHOD 1, TYPE 2 OR 8, CLASS 4 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.4635 INCHES MINIMUM AND 0.6865 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.