The Screw,tapping, cataloged under National Stock Number 5305-01-183-1478, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-183-1478 |
| Primary Part Number | 2BF794 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.164 INCHES IN |
| Fastener Length | 0.438 INCHES NOMINAL IN |
| Nonmachine Thread Style | DOG TYPE (TYPE B OR C) |
| Features Provided | CASEHARDENED |
| Head Style | OVAL COUNTERSUNK UNDERCUT |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L OVERALL |
| 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 |
|---|---|
| 2BF794 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 08456 | 5/9 Secondary reference Transwind Inc Div of Water Bonnet Inc |
| 2BF794 | 5/9 Secondary reference Oshkosh Corp |
NSN 5305-01-183-1478 is a Screw,tapping, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-183-1478 has 1 manufacturer part number on file: 2BF794 (Oshkosh Defense Llc).
Key specifications for 2BF794: Nonmachine Nominal Thread Diameter: 0.164 INCHES IN; Fastener Length: 0.438 INCHES NOMINAL IN; Nonmachine Thread Style: DOG TYPE (TYPE B OR C); Features Provided: CASEHARDENED. 8 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.