The Gear,worm, cataloged under National Stock Number 3020-00-461-4843, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-461-4843 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Helix Angle | 2.3967 DEGREES |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.156 INCHES SECOND END IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.260 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.025 INCHES SECOND END IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | PINNED FIRST END |
| Thread Form Quantity | 1 |
| Nominal Outside Diameter | 0.270 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.185 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 |
|---|---|
| 33415400190 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-461-4843 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-461-4843: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Helix Angle: 2.3967 DEGREES; Hub Nominal Diameter: 0.250 INCHES FIRST END IN. 20 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.