PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20219-3Pulley,groove

Atco Pulley Corp · NSN 3020-00-618-2458 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-618-2458 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-618-2458. Primary manufacturer part number: 20219-3.
Features
  • Pulley,groove — FSC 3020
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: PLASTIC PHENOLIC OVERALL
  • Distance From Outside Flange/rim to Hub End and Location: 0.062 INCHES NOMINAL BOTH ENDS IN
  • Design Form: PLAIN
  • Integral Cooling Vane: NOT INCLUDED
  • Bore Type: STRAIGHT
Applications
  • Applications requiring Plastic Phenolic Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-618-2458, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-618-2458
Primary Part Number20219-3
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAtco Pulley Corp
StatusCANCELLED
Outside Diameter1.750 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialPLASTIC PHENOLIC OVERALL
Distance From Outside Flange/rim to Hub End and Location0.062 INCHES NOMINAL BOTH ENDS IN
Design FormPLAIN
Integral Cooling VaneNOT INCLUDED
Bore TypeSTRAIGHT
BearingsNOT INCLUDED
Hub Outside Diameter0.769 INCHES NOMINAL BOTH ENDS IN
Counterbore FeatureNOT INCLUDED
Groove Quantity1
Groove ShapeU
Face Width0.310 INCHES NOMINAL IN
Web/spoke Relationship to Face CenterlineNOT OFFSET
Unable to DecodeUNABLE TO DECODE
Split Hub FeatureNOT INCLUDED
Lightening HoleNOT INCLUDED
Groove Width0.150 INCHES NOMINAL IN
Groove Radius0.050 INCHES NOMINAL IN
Bore FeatureINCLUDED
Unable to DecodeUNABLE TO DECODE
Bore Length0.438 INCHES NOMINAL IN
Groove Depth0.313 INCHES NOMINAL IN
Bore Diameter0.6250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3020-00-277-1123 INTERCHANGEABLE
Pulley,groove
3020-00-277-1128 INTERCHANGEABLE
Pulley,groove
2920-00-504-1446 INTERCHANGEABLE
Armature,motor
3020-00-528-0502 INTERCHANGEABLE
Pulley,groove
3020-00-528-0511 INTERCHANGEABLE
Pulley,groove
3020-00-528-7993 INTERCHANGEABLE
Pulley,groove
3020-00-541-3227 INTERCHANGEABLE
Pulley,groove
3020-00-881-2063 INTERCHANGEABLE
Pulley,groove
3020-00-881-2064 INTERCHANGEABLE
Pulley,groove
5950-01-101-5476202193 INTERCHANGEABLE
Transformer,power
Bertan Associates Inc
Cross-Reference Index
Part NumberManufacturer
20219-3 Atco Pulley Corp
MS20219-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN219-3 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-DTL-7034/1-3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-7034 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20219-3 Arvan, Inc. Dba Aerospace Division (USA)
MS20219-3 Bae Systems (operations) Ltd (GBR)
20219-3 Witco Chemical Corp Allied Kelite Products Div (USA)
Related Parts
3020-00-277-1123INTERCHANGEABLE
PULLEY,GROOVE
3020-00-277-1128INTERCHANGEABLE
PULLEY,GROOVE
2920-00-504-1446INTERCHANGEABLE
ARMATURE,MOTOR
3020-00-528-0502INTERCHANGEABLE
PULLEY,GROOVE
3020-00-528-0511INTERCHANGEABLE
PULLEY,GROOVE
3020-00-528-7993INTERCHANGEABLE
PULLEY,GROOVE
3020-00-541-3227INTERCHANGEABLE
PULLEY,GROOVE
3020-00-881-2063INTERCHANGEABLE
PULLEY,GROOVE
3020-00-881-2064INTERCHANGEABLE
PULLEY,GROOVE
5950-01-101-5476INTERCHANGEABLE
TRANSFORMER,POWER
202193

Frequently Asked Questions

What is NSN 3020-00-618-2458?

NSN 3020-00-618-2458 is a Pulley,groove, manufactured by Atco Pulley Corp, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-618-2458?

NSN 3020-00-618-2458 has 8 cross-referenced part numbers: 20219-3 (Atco Pulley Corp), MS20219-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN219-3 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-DTL-7034/1-3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-7034 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 3020-00-618-2458?

There are 10 known substitutes for 3020-00-618-2458: 3020-00-277-1123, 3020-00-277-1128, 2920-00-504-1446 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20219-3?

Key specifications for 20219-3: Outside Diameter: 1.750 INCHES NOMINAL IN; Style Designator: PLAIN; Material: PLASTIC PHENOLIC OVERALL; Distance From Outside Flange/rim to Hub End and Location: 0.062 INCHES NOMINAL BOTH ENDS IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-618-2458 still in active supply?

NSN 3020-00-618-2458 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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