The Hub,body, cataloged under National Stock Number 3040-01-509-9477, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. 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 | 3040-01-509-9477 |
| Primary Part Number | 7249340 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Second End Hub Outside Diameter | 2.500 INCHES NOMINAL IN |
| Shoulder Width | 1.104 INCHES MINIMUM AND 1.114 INCHES MAXIMUM IN |
| Hub Inside Diameter | 1.870 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN |
| Style Designator | DOUBLE HUB W/ SECRING HOLE(S) |
| Distance From First End Hub to Shoulder | 0.922 INCHES NOMINAL IN |
| Material | STEEL |
| Distance From Second End Hub to Shoulder | 2.000 INCHES NOMINAL IN |
| Shoulder Outside Diameter | 4.250 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 2.500 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 |
|---|---|
| 7249340 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-509-9477 is a Hub,body, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-509-9477 has 1 manufacturer part number on file: 7249340 (Naval Sea Systems Command).
Key specifications for 7249340: Second End Hub Outside Diameter: 2.500 INCHES NOMINAL IN; Shoulder Width: 1.104 INCHES MINIMUM AND 1.114 INCHES MAXIMUM IN; Hub Inside Diameter: 1.870 INCHES MINIMUM AND 1.890 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.