The Gear,bevel, cataloged under National Stock Number 3020-00-630-4641, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-630-4641 |
| Primary Part Number | 199C779P1 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Keyway Nominal Width | 0.094 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.282 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.620 INCHES SECOND END IN |
| Teeth Quantity | 84 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, OFFSET, SOLID |
| Pitch Angle | 75.9667 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.180 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.050 INCHES FIRST END IN |
| First Step Nominal Length | 0.650 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 75.0 ROCKWELL B NOMINAL HUB |
| Hardness Rating | 75.0 ROCKWELL B NOMINAL TEETH |
| Nominal Overall Length | 0.459 INCHES IN |
| Style Designator | SIDE FACE, PROTRUDING HUBS |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.620 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.070 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.755 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.192 INCHES BOTH ENDS IN |
| Surface Treatment | ANODIZE OVERALL |
| End Nominal Diameter | 0.400 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Face Nominal Width | 0.208 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 |
| Part Number | Manufacturer |
|---|---|
| 199C779P1 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 199C779P1 | 5/9 Secondary reference General Electric Co Laminated and Insulating Products Dept |
| SMC285883-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-630-4641 is a Gear,bevel, manufactured by General Electric Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-630-4641 has 1 manufacturer part number on file: 199C779P1 (General Electric Company).
Key specifications for 199C779P1: Keyway Nominal Width: 0.094 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.282 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.620 INCHES SECOND END IN; Teeth Quantity: 84. 30 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.