The Gear,worm Wheel, cataloged under National Stock Number 3020-00-541-3574, 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 Patterson Pump Co Div Patterson Pump Company. Government technical data includes 14 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 | 3020-00-541-3574 |
| Primary Part Number | 61525-121 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Patterson Pump Co Div Patterson Pump Company |
| Status | ACTIVE |
| Teeth Quantity | 60 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| Pitch Diameter | 30.5100 INCHES NOMINAL IN |
| Nominal Outside Diameter | 32.1250 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 24.000 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 2.0000 INCHES FIRST END IN |
| Mating Thread Lead Quantity | 4 |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 4.000 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 |
|---|---|
| 61525-121 PRIMARY | Patterson Pump Co Div Patterson Pump Company (USA) |
NSN 3020-00-541-3574 is a Gear,worm Wheel, manufactured by Patterson Pump Co Div Patterson Pump Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-541-3574 has 1 manufacturer part number on file: 61525-121 (Patterson Pump Co Div Patterson Pump Company).
Key specifications for 61525-121: Teeth Quantity: 60; Body Style: PLAIN, WITH LIGHTENING HOLES; Tooth Direction: RIGHT; Bore Style: PLAIN BOTH ENDS. 14 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.