The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-331-6771, 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 7 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 | 5305-01-331-6771 |
| Primary Part Number | 5619309-002 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 56 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 5619309-002 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-331-6771 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-331-6771 has 1 manufacturer part number on file: 5619309-002 (Naval Sea Systems Command).
Key specifications for 5619309-002: Thread Length: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.086 INCHES IN; Thread Direction: RIGHT-HAND; Thread Class: 3B. 7 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.