The Screw,machine, cataloged under National Stock Number 5305-00-574-5063, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-574-5063 |
| Primary Part Number | 510278 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Head Height | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 1038 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 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 |
|---|---|
| 510278 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 510278 | 5/9 Secondary reference Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors |
| 510278 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-574-5063 is a Screw,machine, manufactured by Brp Us Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-574-5063 has 1 manufacturer part number on file: 510278 (Brp Us Inc).
Key specifications for 510278: Head Height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN. 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.