The Screw,machine, cataloged under National Stock Number 5305-01-477-7572, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 7 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 | 5305-01-477-7572 |
| Primary Part Number | 8100-1253-0238 PT NO 567 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 92451A540 | Mcmaster-Carr Supply Co (USA) |
| 8100-1253-0238 PT NO 567 PRIMARY | Bath Iron Works Corporation (USA) |
NSN 5305-01-477-7572 is a Screw,machine, manufactured by Bath Iron Works Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-477-7572 has 2 manufacturer part numbers on file: 92451A540 (Mcmaster-Carr Supply Co), 8100-1253-0238 PT NO 567 (Bath Iron Works Corporation).
Key specifications for 8100-1253-0238 PT NO 567: Fastener Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Screw Material: COPPER ALLOY. 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.