The Gear,bevel, cataloged under National Stock Number 3020-00-545-7552, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-545-7552 |
| Primary Part Number | 506-1964-002 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.126 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.188 INCHES FIRST END IN |
| Teeth Quantity | 24 |
| Clamping Surface Nominal Length | 0.171 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 26.5665 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.054 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.344 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 0.3750 INCHES NOMINAL IN |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 0.4063 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.125 INCHES 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 |
|---|---|
| 344B407 | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| 506-1964-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 344B407 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-545-7552 is a Gear,bevel, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-545-7552 has 2 manufacturer part numbers on file: 344B407 (General Dynamics Mission Systems, Inc. Dba Gdms), 506-1964-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 506-1964-002: Bore Nominal Diameter: 1.126 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.188 INCHES FIRST END IN; Teeth Quantity: 24; Clamping Surface Nominal Length: 0.171 INCHES FIRST END IN. 18 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.