The Screw,machine, cataloged under National Stock Number 5305-01-642-0525, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Undersea Warfare Ctr. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-642-0525 |
| Primary Part Number | 06876023 FIND NO 4 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Undersea Warfare Ctr |
| Status | ACTIVE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.275 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 316 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| 06876023 FIND NO 4 PRIMARY | Naval Undersea Warfare Ctr (USA) |
| 91500A192 | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-642-0525 is a Screw,machine, manufactured by Naval Undersea Warfare Ctr, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-642-0525 has 2 manufacturer part numbers on file: 06876023 FIND NO 4 (Naval Undersea Warfare Ctr), 91500A192 (Mcmaster-Carr Supply Co).
Key specifications for 06876023 FIND NO 4: Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.275 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Head Style: FLAT COUNTERSUNK. 12 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.