The Screw,machine, cataloged under National Stock Number 5305-01-661-6498, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-661-6498 |
| Primary Part Number | 4250807 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Fastener Length | 0.60 INCHES MINIMUM AND 0.63 INCHES MAXIMUM IN |
| Thread Length | 0.60 INCHES MINIMUM AND 0.63 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.31 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.594 INCHES MINIMUM AND 0.615 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 |
|---|---|
| 4250807 PRIMARY | Oshkosh Defense Llc (USA) |
NSN 5305-01-661-6498 is a Screw,machine, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-661-6498 has 1 manufacturer part number on file: 4250807 (Oshkosh Defense Llc).
Key specifications for 4250807: Head Height: 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN; Fastener Length: 0.60 INCHES MINIMUM AND 0.63 INCHES MAXIMUM IN; Thread Length: 0.60 INCHES MINIMUM AND 0.63 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.31 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.