The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-334-2817, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-334-2817 |
| Primary Part Number | 803-5959303-X-82 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Head Height | 1.485 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Fastener Length | 10.000 INCHES NOMINAL IN |
| Thread Length | 9.667 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP OR PELLET OR PATCH THREADS |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 6 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 2.224 INCHES MINIMUM AND 2.250 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 |
|---|---|
| 803-5959303-X-82 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 524-6603688-VHBA-93 | 5/9 Secondary reference Naval Sea Systems Command |
| 5959303-82 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-334-2817 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-334-2817 has 1 manufacturer part number on file: 803-5959303-X-82 (Naval Sea Systems Command).
Key specifications for 803-5959303-X-82: Width Across Flats: 1.000 INCHES NOMINAL IN; Head Height: 1.485 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Fastener Length: 10.000 INCHES NOMINAL IN; Thread Length: 9.667 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN. 17 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.