The Gear,internal, cataloged under National Stock Number 3020-00-586-2879, 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 17 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 | 3020-00-586-2879 |
| Primary Part Number | RG24703-1 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Keyway Nominal Width | 0.064 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.379 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.550 INCHES FIRST END IN |
| Teeth Quantity | 23 |
| Surface Treatment Document and Classification | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Teeth Type | SPUR |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 92.0 ROCKWELL SUPERFICIAL 15-N NOMINAL TEETH |
| Material Document and Classification | AMS 6470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Distance From Bore Center to Keyway Bottom | 0.230 INCHES BOTH ENDS IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL UNS K24065 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| RG24703-1 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3020-00-586-2879 is a Gear,internal, 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 3020-00-586-2879 has 1 manufacturer part number on file: RG24703-1 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RG24703-1: Keyway Nominal Width: 0.064 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.379 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.550 INCHES FIRST END IN; Teeth Quantity: 23. 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.