PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1963803Pulley,groove

Delco Remy America Inc · NSN 3020-01-180-6361 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-180-6361 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-180-6361. Primary manufacturer part number: 1963803.
Features
  • Pulley,groove — FSC 3020
  • Securing Location: PULLEY SURFACE
  • Groove Shape: V
  • Bore Feature: INCLUDED
  • Unable to Decode: UNABLE TO DECODE
  • Distance From Outside Flange/rim to Hub End and Location: 0.188 INCHES NOMINAL AA END IN
  • Material: COPPER ALLOY OVERALL
  • Keying Facility Type: KEYWAY
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-180-6361, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Delco Remy America Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-180-6361
Primary Part Number1963803
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDelco Remy America Inc
StatusACTIVE
Securing LocationPULLEY SURFACE
Groove ShapeV
Bore FeatureINCLUDED
Unable to DecodeUNABLE TO DECODE
Distance From Outside Flange/rim to Hub End and Location0.188 INCHES NOMINAL AA END IN
MaterialCOPPER ALLOY OVERALL
Keying Facility TypeKEYWAY
Integral Cooling VaneNOT INCLUDED
Unable to DecodeUNABLE TO DECODE
Lightening HoleNOT INCLUDED
Securing MethodTHREADED HOLE(S)
Split Hub FeatureNOT INCLUDED
BearingsNOT INCLUDED
Securing Hole Quantity4
Groove Depth0.610 INCHES NOMINAL IN
Face Width1.322 INCHES NOMINAL IN
Keyway Width0.156 INCHES NOMINAL IN
Groove Quantity2
Hole LocationONPULLEY SURFACE
Furnished ItemsKEYING FACILITY
Bore Diameter0.875 INCHES NOMINAL IN
Outside Diameter2.990 INCHES NOMINAL IN
Pitch Diameter2.750 INCHES NOMINAL IN
Counterbore LocationBB END
V Groove Angle in Deg21.0
Bolt Circle Diameter1.625 INCHES NOMINAL IN
Thread Size7/16-28
Distance From Center of Bore to Bottom of Keyway0.518 INCHES NOMINAL IN
Bore Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-997-98181951567 INTERCHANGEABLE
Shifter Fork,vehicular
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
1963803 General Motors Corp Delco Remy Div (USA)
1963803 Navistar Intl Corp Truck Br Ohio Plant (USA)
1963803 PRIMARY Delco Remy America Inc (USA)
Related Parts
2520-00-997-9818INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
1951567

Frequently Asked Questions

What is NSN 3020-01-180-6361?

NSN 3020-01-180-6361 is a Pulley,groove, manufactured by Delco Remy America Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-180-6361?

NSN 3020-01-180-6361 has 3 cross-referenced part numbers: 1963803 (General Motors Corp Delco Remy Div), 1963803 (Navistar Intl Corp Truck Br Ohio Plant), 1963803 (Delco Remy America Inc).

What NSN replaces 3020-01-180-6361?

There is 1 known substitute for 3020-01-180-6361: 2520-00-997-9818. Verify interchangeability with system specifications before substitution.

What are the specifications of 1963803?

Key specifications for 1963803: Securing Location: PULLEY SURFACE; Groove Shape: V; Bore Feature: INCLUDED; Unable to Decode: UNABLE TO DECODE. 30 total characteristics are documented in the Federal Logistics Information System.

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