The Hub,body, cataloged under National Stock Number 3040-01-128-1515, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots. Government technical data includes 9 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 | 3040-01-128-1515 |
| Primary Part Number | 838-743-041 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
| Status | ACTIVE |
| Second End Hub Outside Diameter | 3.625 INCHES NOMINAL IN |
| Shoulder Width | 0.625 INCHES NOMINAL IN |
| Hub Inside Diameter | 2.131 INCHES MINIMUM AND 2.143 INCHES MAXIMUM IN |
| Style Designator | DOUBLE HUB W/ SECRING HOLE(S) |
| Distance From First End Hub to Shoulder | 0.500 INCHES NOMINAL IN |
| Material | IRON |
| Distance From Second End Hub to Shoulder | 0.625 INCHES NOMINAL IN |
| Shoulder Outside Diameter | 5.375 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 3.625 INCHES MINIMUM AND 3.637 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 |
|---|---|
| 838-743-041 PRIMARY | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
NSN 3040-01-128-1515 is a Hub,body, manufactured by Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-128-1515 has 1 manufacturer part number on file: 838-743-041 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots).
Key specifications for 838-743-041: Second End Hub Outside Diameter: 3.625 INCHES NOMINAL IN; Shoulder Width: 0.625 INCHES NOMINAL IN; Hub Inside Diameter: 2.131 INCHES MINIMUM AND 2.143 INCHES MAXIMUM IN; Style Designator: DOUBLE HUB W/ SECRING HOLE(S). 9 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.