The Gear,bevel, cataloged under National Stock Number 3020-01-433-8178, 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 Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-433-8178 |
| Primary Part Number | 04102008 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division |
| Status | ACTIVE |
| Keyway Nominal Width | 0.500 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 4.001 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 5.750 INCHES SECOND END IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.438 INCHES FIRST END IN |
| Teeth Type | SKEW |
| Nominal Overall Length | 4.607 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB FLUSH, BACK HUB PROTRUDING |
| Material Document and Classification | ASTM B584-C86300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 10.146 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.500 INCHES BOTH ENDS IN |
| Material | BRONZE OVERALL |
| Face Nominal Width | 1.750 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 |
|---|---|
| 04102008 PRIMARY | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (USA) |
| Reference | Meaning |
|---|---|
| 1S-1122-5 | D/9 Drawing number reference only U.S. Government activity |
| 1S-1122-5 ITEM 48 | 5/9 Secondary reference U.S. Government activity |
| C31868 | 5/9 Secondary reference U.S. Government activity |
| 1S-1122-5-48 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-433-8178 is a Gear,bevel, manufactured by Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-433-8178 has 1 manufacturer part number on file: 04102008 (Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-434-3106. Verify interchangeability with system specifications before substitution.
Key specifications for 04102008: Keyway Nominal Width: 0.500 INCHES BOTH ENDS IN; Bore Nominal Diameter: 4.001 INCHES BOTH ENDS IN; Hub Nominal Diameter: 5.750 INCHES SECOND END IN; Teeth Quantity: 20. 17 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.