The Gear,worm, cataloged under National Stock Number 3020-00-709-2722, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-709-2722 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Thread Form Direction | LEFT-HAND |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.200 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.000 INCHES FIRST END IN |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Face Type | STRAIGHT |
| Hardness Rating | 163.0 BRINELL STANDARD MINIMUM AND 212.0 BRINELL STANDARD MAXIMUM OVERALL |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 4.3190 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.573 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.890 INCHES BOTH ENDS IN |
| Surface Treatment | OXIDE AND CHROMATE ZINC AND PAINT OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON MALLEABLE OVERALL |
| Face Nominal Width | 0.875 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 |
|---|---|
| DRA70325 | 5/9 Secondary reference Unisys Corporation Dba Unisys Corp |
| 495B454P33 | 3/9 Design control — primary reference U.S. Government activity |
| 495B454P33 | 5/9 Secondary reference General Electric Company |
NSN 3020-00-709-2722 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-709-2722: Thread Form Direction: LEFT-HAND; Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.200 INCHES SECOND END IN. 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.