PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

748003Pulley,groove

Unimac Co Inc · NSN 3020-01-393-8002 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-393-8002 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-393-8002. Primary manufacturer part number: 748003.
Features
  • Pulley,groove — FSC 3020
  • Lightening Hole: NOT INCLUDED
  • Integral Cooling Vane: NOT INCLUDED
  • Outside Diameter: 24.000 INCHES NOMINAL IN
  • Groove Quantity: 2
  • Furnished Items: KEYING FACILITY
  • Key Width: 0.375 INCHES NOMINAL IN
  • Furnished Items and Quantity: ONE PULLEY, ONE KEY, ONE SCREW,ONE WASHER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-393-8002, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Unimac Co Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3020-01-393-8002
Primary Part Number748003
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUnimac Co Inc
StatusACTIVE
Lightening HoleNOT INCLUDED
Integral Cooling VaneNOT INCLUDED
Outside Diameter24.000 INCHES NOMINAL IN
Groove Quantity2
Furnished ItemsKEYING FACILITY
Key Width0.375 INCHES NOMINAL IN
Furnished Items and QuantityONE PULLEY, ONE KEY, ONE SCREW,ONE WASHER
Design FormSPOKED
BearingsNOT INCLUDED
Quantity1
Groove ShapeV
Bore FeatureINCLUDED
Keying Facility TypeKEYWAY
Web/spoke Relationship to Face CenterlineNOT OFFSET
Securing MethodKEY
Standard V-Belt Section Designation for Which Designed3V V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5805-01-232-63577480-03 INTERCHANGEABLE
Telephone Terminal Subassembly
Charles Industries, Llc Div Telecom
Cross-Reference Index
Part NumberManufacturer
748003 Unimac Co Inc (USA)
Related Parts
5805-01-232-6357INTERCHANGEABLE
TELEPHONE TERMINAL SUBASSEMBLY
7480-03

Frequently Asked Questions

What is NSN 3020-01-393-8002?

NSN 3020-01-393-8002 is a Pulley,groove, manufactured by Unimac Co Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-393-8002?

NSN 3020-01-393-8002 has 1 cross-referenced part number: 748003 (Unimac Co Inc).

What NSN replaces 3020-01-393-8002?

There is 1 known substitute for 3020-01-393-8002: 5805-01-232-6357. Verify interchangeability with system specifications before substitution.

What are the specifications of 748003?

Key specifications for 748003: Lightening Hole: NOT INCLUDED; Integral Cooling Vane: NOT INCLUDED; Outside Diameter: 24.000 INCHES NOMINAL IN; Groove Quantity: 2. 18 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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