PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52583Ring,wearing

Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel · NSN 4320-01-337-7273 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-337-7273 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-337-7273. Primary manufacturer part number: 52583.
Features
  • Ring,wearing — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-337-7273, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,wearing
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersLandoll Corporation Dba Landoll Corporation Drexel Division Div Drexel (CAGE 07443); Manitou North America Inc (CAGE 07516)
Technical Specifications
ParameterValue
NSN4320-01-337-7273
Primary Part Number52583
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLandoll Corporation Dba Landoll Corporation Drexel Division Div Drexel
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-293-079221706 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
3040-00-392-7797SC-B-69963 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3130-01-681-039452583 INTERCHANGEABLE
Housing,bearing Unit
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
52583 Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel (USA)
R21606 Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel (USA)
R21606 Manitou North America Inc (USA)
Related Parts
5120-00-293-0792INTERCHANGEABLE
PUNCH,DRIVE PIN
21706
3040-00-392-7797INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-B-69963
3130-01-681-0394INTERCHANGEABLE
HOUSING,BEARING UNIT
52583

Frequently Asked Questions

What is NSN 4320-01-337-7273?

NSN 4320-01-337-7273 is a Ring,wearing, manufactured by Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-337-7273?

NSN 4320-01-337-7273 has 3 cross-referenced part numbers: 52583 (Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel), R21606 (Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel), R21606 (Manitou North America Inc).

What NSN replaces 4320-01-337-7273?

There are 3 known substitutes for 4320-01-337-7273: 5120-00-293-0792, 3040-00-392-7797, 3130-01-681-0394. Verify interchangeability with system specifications before substitution.

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