The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-359-8891, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-359-8891 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN |
| Head Height | 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Fastener Length | 3.360 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.250 INCHES NOMINAL IN |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP XM-7 OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNRF |
| Hole Type | DRILLED |
| Hole Diameter | 0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Head Diameter | 1.479 INCHES MINIMUM AND 1.500 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 |
|---|---|
| G537608-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| NAS1351C16H56P | 3/2 Design control — primary reference U.S. Government activity |
| J100-96 | C/1 Advisory reference — outside the item-of-supply concept Craftech Industries, Inc. Dba Craftech Industries Inc |
NSN 5305-01-359-8891 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-359-8891: Width Across Flats: 0.750 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN; Head Height: 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Fastener Length: 3.360 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.