The Hub,body, cataloged under National Stock Number 3040-01-437-3957, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-437-3957 |
| Primary Part Number | 029564-1 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Second End Hub Outside Diameter | 0.874 INCHES NOMINAL IN |
| Shoulder Width | 0.120 INCHES NOMINAL IN |
| Hub Inside Diameter | 0.505 INCHES NOMINAL IN |
| Style Designator | DOUBLE HUB, SPLIT AND SOLID |
| Material Document and Classification | COMP 630 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE |
| Distance From First End Hub to Shoulder | 0.120 INCHES NOMINAL IN |
| Material | STEEL |
| Distance From Second End Hub to Shoulder | 0.450 INCHES NOMINAL IN |
| Shoulder Outside Diameter | 4.148 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 3.300 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 029564-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 029564-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 029564-1 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 029564 | D/9 Drawing number reference only Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3040-01-437-3957 is a Hub,body, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-437-3957 has 1 manufacturer part number on file: 029564-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 029564-1: Second End Hub Outside Diameter: 0.874 INCHES NOMINAL IN; Shoulder Width: 0.120 INCHES NOMINAL IN; Hub Inside Diameter: 0.505 INCHES NOMINAL IN; Style Designator: DOUBLE HUB, SPLIT AND SOLID. 11 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.
NSN 3040-01-437-3957 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.