The Hub,body, cataloged under National Stock Number 3040-01-438-4770, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-438-4770 |
| Primary Part Number | 6138847 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Shoulder Width | 0.250 INCHES NOMINAL IN |
| Hub Inside Diameter | 0.343 INCHES MINIMUM AND 0.667 INCHES MAXIMUM IN |
| Style Designator | DOUBLE HUB, SPLIT AND SOLID |
| Material Document and Classification | 6061-T6,PER AAS FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Distance From First End Hub to Shoulder | 1.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Distance From Second End Hub to Shoulder | 0.562 INCHES NOMINAL IN |
| Shoulder Outside Diameter | 5.750 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 1.250 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 |
|---|---|
| 6138847 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 6138847 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-438-4770 is a Hub,body, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-4770 has 1 manufacturer part number on file: 6138847 (Bae Systems Land & Armaments L.p.).
Key specifications for 6138847: Shoulder Width: 0.250 INCHES NOMINAL IN; Hub Inside Diameter: 0.343 INCHES MINIMUM AND 0.667 INCHES MAXIMUM IN; Style Designator: DOUBLE HUB, SPLIT AND SOLID; Material Document and Classification: 6061-T6,PER AAS FED SPEC SINGLE MATERIAL RESPONSE. 10 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.