The Gear,spur, cataloged under National Stock Number 3020-01-054-1772, 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 General Electric Company. Government technical data includes 30 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 | 3020-01-054-1772 |
| Primary Part Number | 573E355G01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.095 INCHES BOTH ENDS IN |
| Teeth Quantity | 36 |
| Second Step Nominal Diameter | 1.662 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Counterbore Nominal Diameter | 1.130 INCHES FIRST END IN |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH HUB FIRST END |
| Mounting Hole Type and Quantity | 9 PLAIN AND 3 THREADED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.950 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.735 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.186 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Nominal Overall Length | 2.200 INCHES IN |
| Second Step Nominal Length | 0.290 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.6000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.535 INCHES SECOND END IN |
| First Step Nominal Diameter | 1.580 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Spline Quantity | 20 BOTH ENDS |
| Mounting Hole Nominal Thread Size | 0.250 INCHES AXIALLY THROUGH HUB FIRST END IN |
| End Nominal Length | 0.431 INCHES FIRST END IN |
| End Nominal Length | 0.570 INCHES SECOND END IN |
| Nominal Outside Diameter | 3.795 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 28 AXIALLY THROUGH HUB FIRST END |
| End Nominal Diameter | 1.377 INCHES FIRST END IN |
| End Nominal Diameter | 1.377 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Counterbore Nominal Depth | 0.887 INCHES FIRST END IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 573E355G01 PRIMARY | General Electric Company (USA) |
NSN 3020-01-054-1772 is a Gear,spur, manufactured by General Electric Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-054-1772 has 1 manufacturer part number on file: 573E355G01 (General Electric Company).
Key specifications for 573E355G01: Bore Nominal Diameter: 1.095 INCHES BOTH ENDS IN; Teeth Quantity: 36; Second Step Nominal Diameter: 1.662 INCHES FIRST END IN; Body Style: WEBBED, OFFSET, WITH LIGHTENING HOLES. 30 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.