The Clamp,hub, cataloged under National Stock Number 3040-00-574-6624, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-574-6624 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Plain Hole Diameter | 0.1120 INCHES NOMINAL IN |
| Clamp Securing Hole Style | THREADED |
| Style Designator | RECTANGULAR SECTIONAL W/TWO EXTENDED CLAMPING DEVICES AND TWO BOLT SECURED |
| Distance From Bore Centerline to End | 0.621 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 0.6200 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.297 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 |
|---|---|
| 56833 | 3/9 Design control — primary reference U.S. Government activity |
| SMB314727 | 5/2 Secondary reference U.S. Government activity |
| SMB186980-1 | 5/2 Secondary reference U.S. Government activity |
| 56833A | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-574-6624 is a Clamp,hub, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-00-969-5801. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-574-6624: Plain Hole Diameter: 0.1120 INCHES NOMINAL IN; Clamp Securing Hole Style: THREADED; Style Designator: RECTANGULAR SECTIONAL W/TWO EXTENDED CLAMPING DEVICES AND TWO BOLT SECURED; Overall Length: 1.243 INCHES NOMINAL IN. 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.