The Hub,body, cataloged under National Stock Number 3040-01-438-0382, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-438-0382 |
| Primary Part Number | 3305AS421-1 |
| Item Name | Hub,body |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Shoulder Width | 0.060 INCHES NOMINAL IN |
| Style Designator | SINGLE HUB W/ SECURING HOLE(S) |
| Material Document and Classification | 6061-T6,PER AAS ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Distance From First End Hub to Shoulder | 0.513 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Shoulder Outside Diameter | 0.520 INCHES NOMINAL IN |
| First End Hub Outside Diameter | 0.188 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 |
|---|---|
| 3305AS421-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3305AS421-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 3305AS421 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3040-01-438-0382 is a Hub,body, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-0382 has 2 manufacturer part numbers on file: 3305AS421-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3305AS421-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 3305AS421-1: Shoulder Width: 0.060 INCHES NOMINAL IN; Style Designator: SINGLE HUB W/ SECURING HOLE(S); Material Document and Classification: 6061-T6,PER AAS ASSN STD SINGLE MATERIAL RESPONSE; Special Features: O/A LENGTH:0.803 IN.NOM IN. 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.