The Gear,spur, cataloged under National Stock Number 3020-01-422-4105, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-422-4105 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 66 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Mounting Hole Type and Quantity | 4 THREADED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.242 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.473 INCHES FIRST END IN |
| First Step Nominal Length | 0.168 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0625 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.750 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Mounting Hole Nominal Thread Size | 0.112 INCHES AXIALLY THROUGH BODY FIRST END IN |
| End Nominal Length | 0.305 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.125 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.188 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP XM-12 OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.500 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNJC AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.230 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17P1F6183-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-422-4105 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-422-4105: Hub Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 66; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 25 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.
NSN 3020-01-422-4105 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.