PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KP20Casting,damper

Duro Dyne Corporation · NSN 4520-00-583-2422 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-583-2422 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-583-2422. Primary manufacturer part number: KP20.
Features
  • Casting,damper — FSC 4520
  • General Characteristics Item Description: CONTROL OF 0.375 IN. ROUND ROD WHERE USED TO OPERATE DAMPERS IN
  • 1 verified cross-reference
  • Primary manufacturer: Duro Dyne Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Casting,damper, cataloged under National Stock Number 4520-00-583-2422, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Duro Dyne Corporation. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-583-2422
Primary Part NumberKP20
Item NameCasting,damper
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDuro Dyne Corporation
StatusACTIVE
General Characteristics Item DescriptionCONTROL OF 0.375 IN. ROUND ROD WHERE USED TO OPERATE DAMPERS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4240-01-516-2005TE036 INTERCHANGEABLE
Pads,knee,industrial
Galls, Llc
4320-01-679-6592KP20 INTERCHANGEABLE
Pump,hydraulic
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
KP20 Duro Dyne Corporation (USA)
Related Parts
4240-01-516-2005INTERCHANGEABLE
PADS,KNEE,INDUSTRIAL
TE036
4320-01-679-6592INTERCHANGEABLE
PUMP,HYDRAULIC
KP20

Frequently Asked Questions

What is NSN 4520-00-583-2422?

NSN 4520-00-583-2422 is a Casting,damper, manufactured by Duro Dyne Corporation, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-583-2422?

NSN 4520-00-583-2422 has 1 cross-referenced part number: KP20 (Duro Dyne Corporation).

What NSN replaces 4520-00-583-2422?

There are 2 known substitutes for 4520-00-583-2422: 4240-01-516-2005, 4320-01-679-6592. Verify interchangeability with system specifications before substitution.

What are the specifications of KP20?

Key specifications for KP20: General Characteristics Item Description: CONTROL OF 0.375 IN. ROUND ROD WHERE USED TO OPERATE DAMPERS 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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