The Pulley,groove, cataloged under National Stock Number 3020-00-454-7884, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Thompson Emery Machine & Supply Co. Government technical data includes 27 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 | 3020-00-454-7884 |
| Primary Part Number | 4522 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Thompson Emery Machine & Supply Co |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Securing Location | AA END |
| Lightening Hole | NOT INCLUDED |
| Distance From Outside Flange/rim to Hub End and Location | 0.500 INCHES NOMINAL AA END IN |
| Integral Cooling Vane | NOT INCLUDED |
| Quantity | 1 |
| Groove Shape | V |
| Split Hub Feature | NOT INCLUDED |
| Style Designator | PLAIN |
| Securing Method | THREADED HOLE(S) |
| Keying Facility Type | KEYWAY |
| Bore Type | STRAIGHT |
| Counterbore Feature | NOT INCLUDED |
| Face Width | 1.375 INCHES NOMINAL IN |
| Thread Size | 5/16-18 |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.531 INCHES NOMINAL IN |
| Hole Location | ONE ON TOP OF KEYWAY,ONE 90 DEG FROM KEYWAY |
| Furnished Items | KEYING FACILITY |
| Securing Hole Quantity | 2 |
| Keyway Width | 0.187 INCHES NOMINAL IN |
| Bore Length | 1.875 INCHES NOMINAL IN |
| Bore Diameter | 0.875 INCHES NOMINAL IN |
| Pitch Diameter | 2.200 INCHES NOMINAL IN |
| Groove Quantity | 2 |
| Design Form | PLAIN |
| Bearings | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4522 PRIMARY | Thompson Emery Machine & Supply Co (USA) |
NSN 3020-00-454-7884 is a Pulley,groove, manufactured by Thompson Emery Machine & Supply Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-454-7884 has 1 cross-referenced part number: 4522 (Thompson Emery Machine & Supply Co).
There are 12 known substitutes for 3020-00-454-7884: 5950-00-006-4685, 6240-00-155-7920, 5920-00-284-9206 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4522: Bore Feature: INCLUDED; Securing Location: AA END; Lightening Hole: NOT INCLUDED; Distance From Outside Flange/rim to Hub End and Location: 0.500 INCHES NOMINAL AA END IN. 28 total characteristics are documented in the Federal Logistics Information System.