The Pulley,groove, cataloged under National Stock Number 3020-00-424-0666, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-424-0666 |
| Primary Part Number | H171-7 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | American Standard Inc Westinghouse Air Brake Co Div |
| Status | ACTIVE |
| Face Width | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Bore Diameter | 3.875 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN |
| Groove Radius | 0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.044 INCHES MINIMUM BOTH ENDS AND 0.086 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | WEBBED OR SPOKED |
| Material | STEEL COMP 1045 OVERALL |
| Material Document and Classification | QQ-S-633, FS1045-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Bore Type | STRAIGHT |
| Lightening Hole | NOT INCLUDED |
| Hub Outside Diameter | 4.750 INCHES NOMINAL BOTH ENDS IN |
| Design Form | WEBBED |
| Unable to Decode | UNABLE TO DECODE |
| Bearings | NOT INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Groove Shape | U |
| Groove Quantity | 1 |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Bore Length | 0.995 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| Groove Depth | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Groove Width | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 9.407 INCHES MINIMUM AND 9.469 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-424-0666 is a Pulley,groove, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-424-0666 has 2 cross-referenced part numbers: H171-7 (American Standard Inc Westinghouse Air Brake Co Div), H171 (American Standard Inc Westinghouse Air Brake Co Div).
There are 5 known substitutes for 3020-00-424-0666: 9540-00-027-9167, 2815-00-415-5589, 5950-00-823-3206 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for H171-7: Face Width: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN; Bore Diameter: 3.875 INCHES MINIMUM AND 3.878 INCHES MAXIMUM IN; Groove Radius: 0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Distance From Outside Flange/rim to Hub End and Location: 0.044 INCHES MINIMUM BOTH ENDS AND 0.086 INCHES MAXIMUM BOTH ENDS IN. 26 total characteristics are documented in the Federal Logistics Information System.