The Setscrew, cataloged under National Stock Number 5305-01-313-3973, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-313-3973 |
| Primary Part Number | 5916868 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.562 INCHES NOMINAL IN |
| Point Length | 1.625 INCHES NOMINAL IN |
| Fastener Length | 6.562 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 595 NO. 37038 FED STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.625 INCHES NOMINAL IN |
| Point Chamfer Angle | 30.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Width Between Flats | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | PAINT LUSTERLESS OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 8 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 5916868 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-313-3973 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-313-3973 has 1 manufacturer part number on file: 5916868 (Naval Sea Systems Command).
Key specifications for 5916868: Head Height: 0.562 INCHES NOMINAL IN; Point Length: 1.625 INCHES NOMINAL IN; Fastener Length: 6.562 INCHES NOMINAL IN; Surface Treatment Document and Classification: 595 NO. 37038 FED 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.