The Gear,worm Wheel, cataloged under National Stock Number 3020-00-892-4572, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-892-4572 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.354 INCHES BOTH ENDS IN |
| Helix Angle | 3.4665 DEGREES |
| Hub Nominal Diameter | 1.250 INCHES SECOND END IN |
| Teeth Quantity | 57 |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 0.365 INCHES COUNTERBORE FIRST END IN |
| Tooth Direction | LEFT |
| Bore Style | W/COUNTERBORE COUNTERBORE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.070 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.391 INCHES FIRST END IN |
| First Step Nominal Length | 0.031 INCHES FIRST END IN |
| Throat Nominal Radius | 0.308 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66,AISI B1113/SAE 1113 FED STD 1ST MATERIAL RESPONSE HUB |
| Pitch Diameter | 2.0360 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.250 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.359 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.143 INCHES IN |
| End Nominal Diameter | 0.625 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | PLASTIC PHENOLIC BODY |
| Material | PLASTIC PHENOLIC TEETH |
| Material | STEEL COMP 1213 AND PLASTIC PHENOLIC HUB |
| Counterbore Nominal Depth | 0.313 INCHES COUNTERBORE FIRST END IN |
| Mating Thread Lead Quantity | 2 |
| Face Nominal Width | 0.359 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 |
| Reference | Meaning |
|---|---|
| 64862A | 3/9 Design control — primary reference U.S. Government activity |
| 64862 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-892-4572 is a Gear,worm Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-892-4572: Bore Nominal Diameter: 0.354 INCHES BOTH ENDS IN; Helix Angle: 3.4665 DEGREES; Hub Nominal Diameter: 1.250 INCHES SECOND END IN; Teeth Quantity: 57. 29 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.