The Gear,internal, cataloged under National Stock Number 3020-00-306-4526, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-306-4526 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Backlash Designation | GRADE C |
| Teeth Quantity | 72 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE SIDE PLATE |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 0.062 INCHES IN |
| Flange Nominal Diameter | 2.002 INCHES IN |
| Teeth Type | SPUR |
| Style Designator | FLANGED RING |
| Material Document and Classification | QQ-A-225/5,ALLOY 2017 FED SPEC SINGLE MATERIAL RESPONSE SIDE PLATE |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Surface Treatment | ANODIZE SIDE PLATE |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2017 SIDE PLATE |
| Material | PLASTIC PHENOLIC TEETH |
| Face Nominal Width | 0.250 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 |
|---|---|
| 5053994002 | 3/9 Design control — primary reference Cole Div of Litton Business Systems Inc |
NSN 3020-00-306-4526 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-306-4526: Backlash Designation: GRADE C; Teeth Quantity: 72; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE SIDE PLATE; Body Style: PLAIN, SOLID. 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.