The Pulley,cone, cataloged under National Stock Number 3020-00-528-0557, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. Government technical data includes 25 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-0557 |
| Primary Part Number | 3704 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Thomas C. Wilson, Inc. Dba Thomas C Wilson |
| Status | ACTIVE |
| Bore Diameter | 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN |
| Counterbore Feature | NOT INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Bore Bearing | NOT INCLUDED |
| Keying Facility | NOT INCLUDED |
| Groove Quantity | 2 |
| Lightening Hole | NOT INCLUDED |
| Material | STEEL OVERALL |
| V Groove Pitch Diameter | 4.39375 INCHES NOMINAL AND 3.59375 INCHES NOMINAL IN |
| Hole Location | IN LARGEST DIA GROOVE |
| Standard V-Belt Section Designation for Which Designed | A |
| Bore Type | STRAIGHT |
| Design Form | PLAIN |
| Groove Shape | V |
| Step Outside Diameter | 5.000 INCHES NOMINAL AND 4.000 INCHES NOMINAL IN |
| Face Width | 1.375 INCHES NOMINAL IN |
| Face Type | STEP GROOVE |
| V Groove Angle in Deg | 40.0 |
| Groove Depth | 0.500 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Bore Length | 1.375 INCHES NOMINAL IN |
| Groove Width | 0.438 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Thread Size | 1/4-20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3704 | Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA) |
NSN 3020-00-528-0557 is a Pulley,cone, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-528-0557 has 1 cross-referenced part number: 3704 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).
There are 12 known substitutes for 3020-00-528-0557: 4730-00-475-8593, 2805-00-535-6678, 2915-00-613-2523 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3704: Bore Diameter: 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN; Counterbore Feature: NOT INCLUDED; Integral Cooling Vane: NOT INCLUDED; Securing Method: THREADED HOLE(S). 26 total characteristics are documented in the Federal Logistics Information System.