The Pulley,groove, cataloged under National Stock Number 3020-00-200-1537, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Witco Chemical Corp Allied Kelite Products Div. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-200-1537 |
| Primary Part Number | 20221-3 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Witco Chemical Corp Allied Kelite Products Div |
| Status | ACTIVE |
| Material | PLASTIC BODY |
| Bore Length | 0.759 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Style Designator | WEBBED OR SPOKED |
| Style Designator | WEBBED OR SPOKED |
| Distance From Outside Flange/rim to Hub End and Location | 0.127 INCHES NOMINAL BOTH ENDS IN |
| Material | PLASTIC BODY |
| Unable to Decode | UNABLE TO DECODE |
| Split Hub Feature | NOT INCLUDED |
| Hub Outside Diameter | 0.772 INCHES NOMINAL BOTH ENDS IN |
| Groove Quantity | 1 |
| Bearing Type | SLEEVE |
| Bore Feature | INCLUDED |
| Groove Shape | U |
| Bore Type | STRAIGHT |
| Integral Cooling Vane | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Bearing Quantity | 1 |
| Lightening Hole | NOT INCLUDED |
| Bearings | INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Face Width | 0.505 INCHES NOMINAL IN |
| Groove Width | 0.342 INCHES NOMINAL IN |
| Groove Depth | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20221-3 | Witco Chemical Corp Allied Kelite Products Div (USA) |
| 20221-3 | Atco Pulley Corp |
| MIL-DTL-7034/3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS20221-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3020-00-200-1537 is a Pulley,groove, manufactured by Witco Chemical Corp Allied Kelite Products Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-200-1537 has 4 cross-referenced part numbers: 20221-3 (Witco Chemical Corp Allied Kelite Products Div), 20221-3 (Atco Pulley Corp), MIL-DTL-7034/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS20221-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 7 known substitutes for 3020-00-200-1537: 3020-00-287-7920, 3020-00-287-9662, 2920-00-363-8306 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20221-3: Material: PLASTIC BODY; Bore Length: 0.759 INCHES NOMINAL IN; Lightening Hole: NOT INCLUDED; Bore Feature: INCLUDED. 30 total characteristics are documented in the Federal Logistics Information System.