The Clamp,hub, cataloged under National Stock Number 3040-00-421-5845, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 12 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 | 3040-00-421-5845 |
| Primary Part Number | 546-3790-003 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Plain Hole Diameter | 0.0810 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 580-0008-00, COLLINS RADIO CO MFR REF SINGLE TREATMENT RESPONSE |
| Clamp Securing Hole Style | THREADED |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Material Document and Classification | QQ-A-250/4, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.073 INCHES IN |
| Screw Thread Series Designator | UNF |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.1880 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Thickness | 0.118 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 |
|---|---|
| 546-3790-003 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3040-00-421-5845 is a Clamp,hub, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-421-5845 has 1 manufacturer part number on file: 546-3790-003 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 546-3790-003: Plain Hole Diameter: 0.0810 INCHES NOMINAL IN; Surface Treatment Document and Classification: 580-0008-00, COLLINS RADIO CO MFR REF SINGLE TREATMENT RESPONSE; Clamp Securing Hole Style: THREADED; Style Designator: ROUND, SINGLE BOLT SECURED. 12 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.