The Gear,helical, cataloged under National Stock Number 3020-00-266-6521, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-266-6521 |
| Primary Part Number | 5175383 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Keyway Nominal Width | 0.189 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.350 INCHES FIRST END IN |
| Helix Angle | 36.1400 DEGREES |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Teeth Quantity | 64 |
| Nominal Outside Diameter | 5.854 INCHES IN |
| Hub Nominal Diameter | 1.300 INCHES BOTH ENDS IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.423 INCHES BOTH ENDS IN |
| Material | STEEL COMP 1141 OVERALL |
| Teeth Type | SINGLE HELIX |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Tooth Form | STANDARD |
| Nominal Distance Between Body Face and Protruding Hub End | 0.800 INCHES SECOND END IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.6607 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Style Designator | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| Bore Nominal Diameter | 0.6942 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Direction | RIGHT |
| Face Nominal Width | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-266-6521 is a Gear,helical, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-266-6521 has 2 cross-referenced part numbers: 5175383 (General Motors Corp), 5175383 (Rolls-Royce Solutions America Inc).
There is 1 known substitute for 3020-00-266-6521: 4730-00-174-4513. Verify interchangeability with system specifications before substitution.
Key specifications for 5175383: Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL; Keyway Nominal Width: 0.189 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.350 INCHES FIRST END IN; Helix Angle: 36.1400 DEGREES. 22 total characteristics are documented in the Federal Logistics Information System.