The Bolt,machine, cataloged under National Stock Number 5306-00-274-1906, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-274-1906 |
| Primary Part Number | 2W7422 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.688 INCHES MINIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.107 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.875 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.688 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 |
|---|---|
| 2W7422 | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| 35149574 | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| 2W7422 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 2W7422 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 2W7422 | 5/9 Secondary reference Ingersoll Rand Co |
| 2W7422 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-274-1906 is a Bolt,machine, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-274-1906 has 3 manufacturer part numbers on file: 2W7422 (Clark Equipment Co Div Doosan Infracore Portable Power), 35149574 (Clark Equipment Co Div Doosan Infracore Portable Power), 2W7422 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 2W7422: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.688 INCHES MINIMUM IN. 17 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.