The Gear,helical, cataloged under National Stock Number 3020-00-147-1782, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rexnord Industries Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 3020-00-147-1782 |
| Primary Part Number | 331211 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Teeth Quantity | 69 |
| Pitch Diameter | 3.8480 INCHES NOMINAL IN |
| Tooth Direction | RIGHT |
| Style Designator | PROTRUDING HUBS |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES SECOND END IN |
| Teeth Type | SINGLE HELIX |
| Hub Style Designator | PLAIN SECOND END |
| Keyway Nominal Width | 0.126 INCHES BOTH ENDS IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.370 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 3.954 INCHES IN |
| Hardness Rating | 163.0 BRINELL STANDARD MINIMUM AND 193.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-19434,CL1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Face Nominal Width | 0.500 INCHES IN |
| Helix Angle | 11.7012 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.563 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Bore Nominal Diameter | 0.589 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.125 INCHES BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 331211 PRIMARY | Rexnord Industries Llc (USA) |
NSN 3020-00-147-1782 is a Gear,helical, manufactured by Rexnord Industries Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-147-1782 has 1 cross-referenced part number: 331211 (Rexnord Industries Llc).
There is 1 known substitute for 3020-00-147-1782: 5133-01-095-4747. Verify interchangeability with system specifications before substitution.
Key specifications for 331211: Material: STEEL OVERALL; Teeth Quantity: 69; Pitch Diameter: 3.8480 INCHES NOMINAL IN; Tooth Direction: RIGHT. 22 total characteristics are documented in the Federal Logistics Information System.