The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-733-6392, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-733-6392 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Head Height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700, METHOD 2 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Material Document and Classification | AMS5731 OR AMS5737 COLD WORKED AND AGE HARDENED AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1351 NATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNRF |
| Hole Type | DRILLED |
| Hole Diameter | 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Diameter | 0.457 INCHES MINIMUM AND 0.469 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 |
|---|---|
| 724-8838126-F151 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| R7952001-F151 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 68-16-2087A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS1351 | 3/1 Design control — primary reference U.S. Government activity |
| LOA001312-F151 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS1351N5H14G | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-733-6392 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-734-1693, 5305-01-734-3465. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-733-6392: Width Across Flats: 0.250 INCHES NOMINAL IN; Head Height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700, METHOD 2 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.