The Gear,spur, cataloged under National Stock Number 3020-00-706-9353, 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25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-706-9353 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.2180 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.6250 INCHES SECOND END IN |
| Teeth Quantity | 84 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0225 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3550 INCHES FIRST END IN |
| First Step Nominal Length | 0.2960 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 9 |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE HUB |
| Material Document and Classification | MIL-B-994-CANCELLED MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Pitch Diameter | 1.7485 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.8750 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.2960 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.7895 INCHES IN |
| Surface Treatment | PASSIVATE HUB |
| End Nominal Diameter | 0.5000 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 304 HUB |
| Face Nominal Width | 0.1225 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 |
|---|---|
| C311-305 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-706-9353 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-706-9353: Bore Nominal Diameter: 0.2180 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.6250 INCHES SECOND END IN; Teeth Quantity: 84; Body Style: PLAIN, WITH LIGHTENING HOLES. 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.
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.