The Pulley,groove, cataloged under National Stock Number 3020-00-881-2063, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Atco Pulley Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-881-2063 |
| Primary Part Number | 20220-4 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Atco Pulley Corp |
| Status | CANCELLED |
| Groove Depth | 0.250 INCHES NOMINAL IN |
| Bore Length | 0.625 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Bearing Quantity | 1 |
| Design Form | PLAIN |
| Style Designator | PLAIN |
| Counterbore Feature | NOT INCLUDED |
| Lightening Hole | NOT INCLUDED |
| Groove Shape | U |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.422 INCHES NOMINAL IN |
| Hub Outside Diameter | 0.515 INCHES NOMINAL AA END IN |
| Protruding Hub Characteristic | STEPPED |
| Bore Feature | INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Bore Type | STRAIGHT |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Quantity | 1 |
| Bearings | INCLUDED |
| Material | PLASTIC PHENOLIC OVERALL |
| Hub Outside Diameter | 0.515 INCHES NOMINAL BB END IN |
| Bearing Type | BALL |
| Unable to Decode | UNABLE TO DECODE |
| Split Hub Feature | NOT INCLUDED |
| Groove Width | 0.275 INCHES NOMINAL IN |
| Groove Radius | 0.097 INCHES NOMINAL IN |
| Outside Diameter | 5.505 INCHES NOMINAL IN |
| Bore Diameter | 0.314 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20220-4 | Atco Pulley Corp |
| 20220-4 | Witco Chemical Corp Allied Kelite Products Div (USA) |
| MS20220-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 3020PL1861761 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 20220-4 | Arvan, Inc. Dba Aerospace Division (USA) |
| 9453107114 | Pilatus Aircraft Ltd (CHE) |
| MIL-DTL-7034 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AN220-4 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 20220-4 | Ralmark Co (USA) |
| MIL-DTL-7034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3020-00-881-2063 is a Pulley,groove, manufactured by Atco Pulley Corp, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-881-2063 has 10 cross-referenced part numbers: 20220-4 (Atco Pulley Corp), 20220-4 (Witco Chemical Corp Allied Kelite Products Div), MS20220-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 3020PL1861761 (Jednolity Indeks Materialowy - Uniform Material Index), 20220-4 (Arvan, Inc. Dba Aerospace Division) and 5 more.
There are 12 known substitutes for 3020-00-881-2063: 3020-00-277-1123, 3020-00-277-1124, 3020-00-277-1128 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20220-4: Groove Depth: 0.250 INCHES NOMINAL IN; Bore Length: 0.625 INCHES NOMINAL IN; Unable to Decode: UNABLE TO DECODE; Bearing Quantity: 1. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-881-2063 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.