The Gear,worm Wheel, cataloged under National Stock Number 3020-00-971-4529, 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 Eagle Crusher Co Inc Dba Stedman Machine Co. Government technical data includes 15 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 | 3020-00-971-4529 |
| Primary Part Number | G2550 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eagle Crusher Co Inc Dba Stedman Machine Co |
| Status | ACTIVE |
| Helix Angle | 5.7331 DEGREES |
| Hub Nominal Diameter | 3.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 21 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | LEFT |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES BOTH ENDS IN |
| Throat Nominal Radius | 2.748 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 5.0130 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.722 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON CAST OVERALL |
| Face Nominal Width | 1.500 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 |
|---|---|
| G2550 PRIMARY | Eagle Crusher Co Inc Dba Stedman Machine Co (USA) |
NSN 3020-00-971-4529 is a Gear,worm Wheel, manufactured by Eagle Crusher Co Inc Dba Stedman Machine Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-971-4529 has 1 manufacturer part number on file: G2550 (Eagle Crusher Co Inc Dba Stedman Machine Co).
Key specifications for G2550: Helix Angle: 5.7331 DEGREES; Hub Nominal Diameter: 3.000 INCHES BOTH ENDS IN; Teeth Quantity: 21; Body Style: WEBBED, SOLID. 15 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.