PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7443Pulley,variable

Alter Harry Co the Div of T E C · NSN 3020-00-530-8928 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-530-8928 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-530-8928. Primary manufacturer part number: 7443.
Features
  • Pulley,variable — FSC 3020
  • General Characteristics Item Description: CAST IRON,0.875 IN. BORE SIZE,4.750 IN. OD IN
  • 1 verified cross-reference
  • Primary manufacturer: Alter Harry Co the Div of T E C
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,variable, cataloged under National Stock Number 3020-00-530-8928, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 1 verified specification, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-530-8928
Primary Part Number7443
Item NamePulley,variable
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusACTIVE
General Characteristics Item DescriptionCAST IRON,0.875 IN. BORE SIZE,4.750 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-125-49137443 INTERCHANGEABLE
Bar,punch,teletypewriter
Telemechanics Inc
1650-00-138-33377443 INTERCHANGEABLE
Fitting,cylinder,shuttle Valve
The Boeing Company Div Defense
5330-00-450-7396331921 INTERCHANGEABLE
Seal,plain Encased
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5330-00-928-0302 INTERCHANGEABLE
Seal,plain Encased
3120-01-068-34737443 INTERCHANGEABLE
Bushing,sleeve
Eaton Corporation Div Eaton Fluid Power
6665-01-115-8549 INTERCHANGEABLE
Monitor Photon Drag
6650-01-414-940216026 INTERCHANGEABLE
Binocular
Nikon Inc Dba Nikon Americas Inc
Cross-Reference Index
Part NumberManufacturer
7443 PRIMARY Alter Harry Co the Div of T E C (USA)
Related Parts
5815-00-125-4913INTERCHANGEABLE
BAR,PUNCH,TELETYPEWRITER
7443
1650-00-138-3337INTERCHANGEABLE
FITTING,CYLINDER,SHUTTLE VALVE
7443
5330-00-450-7396INTERCHANGEABLE
SEAL,PLAIN ENCASED
331921
5330-00-928-0302INTERCHANGEABLE
SEAL,PLAIN ENCASED
3120-01-068-3473INTERCHANGEABLE
BUSHING,SLEEVE
7443
6665-01-115-8549INTERCHANGEABLE
MONITOR PHOTON DRAG
6650-01-414-9402INTERCHANGEABLE
BINOCULAR
16026

Frequently Asked Questions

What is NSN 3020-00-530-8928?

NSN 3020-00-530-8928 is a Pulley,variable, manufactured by Alter Harry Co the Div of T E C, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-530-8928?

NSN 3020-00-530-8928 has 1 cross-referenced part number: 7443 (Alter Harry Co the Div of T E C).

What NSN replaces 3020-00-530-8928?

There are 7 known substitutes for 3020-00-530-8928: 5815-00-125-4913, 1650-00-138-3337, 5330-00-450-7396 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7443?

Key specifications for 7443: General Characteristics Item Description: CAST IRON,0.875 IN. BORE SIZE,4.750 IN. OD IN. 1 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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