The Hub,body, cataloged under National Stock Number 3040-01-349-7929, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-349-7929 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hub Outside Diameter | 3.400 INCHES NOMINAL IN |
| Shoulder Width | 1.000 INCHES NOMINAL IN |
| Hub Inside Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | DOUBLE HUB W/ SECRING HOLE(S) |
| Distance From First End Hub to Shoulder | 3.970 INCHES NOMINAL IN |
| Material | STEEL |
| Shoulder Outside Diameter | 7.499 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 6.070 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 |
| Reference | Meaning |
|---|---|
| 1D98286 | D/9 Drawing number reference only U.S. Government activity |
| 1129E01 | D/9 Drawing number reference only U.S. Government activity |
| 1D98286-001 | 3/2 Design control — primary reference U.S. Government activity |
| 1129E01 FIND 74 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-349-7929 is a Hub,body, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2920-01-359-5718. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-349-7929: Second End Hub Outside Diameter: 3.400 INCHES NOMINAL IN; Shoulder Width: 1.000 INCHES NOMINAL IN; Hub Inside Diameter: 3.000 INCHES NOMINAL IN; Style Designator: DOUBLE HUB W/ SECRING HOLE(S). 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.