PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1VL44X7/8Pulley,groove

Emerson Electric Co Browning Mfg Div · NSN 3020-01-437-5649 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-437-5649 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-437-5649. Primary manufacturer part number: 1VL44X7/8.
Features
  • Pulley,groove — FSC 3020
  • Web/spoke Relationship to Face Centerline: NOT OFFSET
  • Lightening Hole: NOT INCLUDED
  • Material: IRON CAST OVERALL
  • Split Hub Feature: NOT INCLUDED
  • Integral Cooling Vane: NOT INCLUDED
  • Securing Method: SETSCREW
  • Keying Facility Type: KEYWAY
Applications
  • Applications requiring Iron Cast Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-437-5649, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-437-5649
Primary Part Number1VL44X7/8
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEmerson Electric Co Browning Mfg Div
StatusACTIVE
Web/spoke Relationship to Face CenterlineNOT OFFSET
Lightening HoleNOT INCLUDED
MaterialIRON CAST OVERALL
Split Hub FeatureNOT INCLUDED
Integral Cooling VaneNOT INCLUDED
Securing MethodSETSCREW
Keying Facility TypeKEYWAY
Standard V-Belt Section Designation for Which Designed3L AND 4L AND 5L
Securing LocationBOTH ENDS
Bore FeatureINCLUDED
Groove ShapeV
Distance From Center of Bore to Bottom of Keyway0.5315 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Bore TypeSTRAIGHT
BearingsNOT INCLUDED
Pitch Diameter2.7000 INCHES MINIMUM AND 4.1000 INCHES MAXIMUM IN
Bore Length1.6880 INCHES NOMINAL IN
Counterbore FeatureNOT INCLUDED
Keyway Width0.1880 INCHES NOMINAL IN
Groove Quantity1
Groove Width0.5000 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Outside Diameter4.1500 INCHES NOMINAL IN
Bore Diameter0.8750 INCHES NOMINAL IN
Design FormWEBBED
Face Width0.6250 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Quantity1
Style DesignatorWEBBED OR SPOKED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-00-244-4228 INTERCHANGEABLE
Microcircuit,digital
5995-01-100-5872 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
1VL44X7/8 PRIMARY Emerson Electric Co Browning Mfg Div (USA)
00350066 Greenheck Fan Corporation Dba Greenheck Fan Corp (USA)
350066 Greenheck Fan Corporation Dba Greenheck Fan Corp (USA)
Related Parts
5962-00-244-4228INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5995-01-100-5872INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 3020-01-437-5649?

NSN 3020-01-437-5649 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-437-5649?

NSN 3020-01-437-5649 has 3 cross-referenced part numbers: 1VL44X7/8 (Emerson Electric Co Browning Mfg Div), 00350066 (Greenheck Fan Corporation Dba Greenheck Fan Corp), 350066 (Greenheck Fan Corporation Dba Greenheck Fan Corp).

What NSN replaces 3020-01-437-5649?

There are 2 known substitutes for 3020-01-437-5649: 5962-00-244-4228, 5995-01-100-5872. Verify interchangeability with system specifications before substitution.

What are the specifications of 1VL44X7/8?

Key specifications for 1VL44X7/8: Web/spoke Relationship to Face Centerline: NOT OFFSET; Lightening Hole: NOT INCLUDED; Material: IRON CAST OVERALL; Split Hub Feature: NOT INCLUDED. 28 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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