The Gear,spur, cataloged under National Stock Number 3020-01-188-5970, 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 Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-188-5970 |
| Primary Part Number | RG35192-2 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.469 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.750 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.750 INCHES FIRST END IN |
| Teeth Quantity | 17 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.510 INCHES BOTH ENDS IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.557 INCHES BOTH ENDS IN |
| Hardness Rating | 24.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 1.622 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS6474 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.9444 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 15 BOTH ENDS |
| Nominal Outside Diameter | 1.050 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Counterbore Nominal Depth | 0.266 INCHES BOTH ENDS IN |
| Spline Pitch Diameter | 0.4690 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RG35192-2 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3020-01-188-5970 is a Gear,spur, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-188-5970 has 1 manufacturer part number on file: RG35192-2 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RG35192-2: Bore Nominal Diameter: 0.469 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.750 INCHES SECOND END IN; Hub Nominal Diameter: 0.750 INCHES FIRST END IN; Teeth Quantity: 17. 22 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 3020-01-188-5970 has DEMIL Code D. 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.