PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KL7Quadrant,damper Control

Duro Dyne Corporation · NSN 4520-00-583-2413 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-583-2413 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-583-2413. Primary manufacturer part number: KL7.
Features
  • Quadrant,damper Control — FSC 4520
  • General Characteristics Item Description: STAMPED OF HEAVY GAUGE STEEL AND CLEARLY INDICATES THE POSITION OF THE DAMPER,SHAFT LOCK FOR 0.500 IN. SQUARE ROD,FIRM CLAMPING ACTION ELIMINATES DAMPER RATTLE IN
  • 2 verified cross-references
  • Primary manufacturer: Duro Dyne Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Quadrant,damper Control, cataloged under National Stock Number 4520-00-583-2413, 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 2 commercial cross-references 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
NSN4520-00-583-2413
Primary Part NumberKL7
Item NameQuadrant,damper Control
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDuro Dyne Corporation
StatusACTIVE
General Characteristics Item DescriptionSTAMPED OF HEAVY GAUGE STEEL AND CLEARLY INDICATES THE POSITION OF THE DAMPER,SHAFT LOCK FOR 0.500 IN. SQUARE ROD,FIRM CLAMPING ACTION ELIMINATES DAMPER RATTLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6910-01-279-6920 INTERCHANGEABLE
Chart Set,anatomical
Cross-Reference Index
Part NumberManufacturer
KL7 Duro Dyne Corporation (USA)
KL7S Duro Dyne Corporation (USA)
Related Parts
6910-01-279-6920INTERCHANGEABLE
CHART SET,ANATOMICAL

Frequently Asked Questions

What is NSN 4520-00-583-2413?

NSN 4520-00-583-2413 is a Quadrant,damper Control, manufactured by Duro Dyne Corporation, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-583-2413?

NSN 4520-00-583-2413 has 2 cross-referenced part numbers: KL7 (Duro Dyne Corporation), KL7S (Duro Dyne Corporation).

What NSN replaces 4520-00-583-2413?

There is 1 known substitute for 4520-00-583-2413: 6910-01-279-6920. Verify interchangeability with system specifications before substitution.

What are the specifications of KL7?

Key specifications for KL7: General Characteristics Item Description: STAMPED OF HEAVY GAUGE STEEL AND CLEARLY INDICATES THE POSITION OF THE DAMPER,SHAFT LOCK FOR 0.500 IN. SQUARE ROD,FIRM CLAMPING ACTION ELIMINATES DAMPER RATTLE 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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