The Screw,machine, cataloged under National Stock Number 5305-01-487-6341, 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 11 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 | 5305-01-487-6341 |
| Primary Part Number | 8100-1251-0284 PC 029 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | FF-S-92, TYPE III, STYLE 9C, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 8100-1251-0284 PC 029 PRIMARY | Bath Iron Works Corporation (USA) |
NSN 5305-01-487-6341 is a Screw,machine, manufactured by Bath Iron Works Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-487-6341 has 1 manufacturer part number on file: 8100-1251-0284 PC 029 (Bath Iron Works Corporation).
Key specifications for 8100-1251-0284 PC 029: Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: FF-S-92, TYPE III, STYLE 9C, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN. 11 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.