The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-734-0489, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-734-0489 |
| Primary Part Number | 752-8843787-44 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.141 INCHES NOMINAL IN |
| Head Height | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Fastener Length | 0.47 INCHES MINIMUM AND 0.50 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700, METHOD 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.47 INCHES MINIMUM AND 0.50 INCHES MAXIMUM IN |
| Material Document and Classification | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1352 NATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Chamfer Angle | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNRC |
| Head Diameter | 0.262 INCHES MINIMUM AND 0.270 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 |
| Part Number | Manufacturer |
|---|---|
| 752-8843787-44 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211041156 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R8321661-44 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LSA002801-44 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS1352 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1352C08-8G | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-734-0489 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-734-0489 has 1 manufacturer part number on file: 752-8843787-44 (Naval Sea Systems Command).
Key specifications for 752-8843787-44: Width Across Flats: 0.141 INCHES NOMINAL IN; Head Height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Fastener Length: 0.47 INCHES MINIMUM AND 0.50 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700, METHOD 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.