PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8052Quadrant,damper Control

Duro Dyne Corporation · NSN 4520-00-133-4026 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-133-4026 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-133-4026. Primary manufacturer part number: 8052.
Features
  • Quadrant,damper Control — FSC 4520
  • General Characteristics Item Description: PLATED STEEL; LEVER ACTION; WING NUT ADJUSTING AND LOCKING OF DAMPER; CONSISTS OF 0.500 IN. P/N K-5 QUADRANT,P/N KP-10R RD END BEARING,P/N KP-10S SQ END BEARING 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 4520-00-133-4026, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-133-4026
Primary Part Number8052
Item NameQuadrant,damper Control
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDuro Dyne Corporation
StatusACTIVE
General Characteristics Item DescriptionPLATED STEEL; LEVER ACTION; WING NUT ADJUSTING AND LOCKING OF DAMPER; CONSISTS OF 0.500 IN. P/N K-5 QUADRANT,P/N KP-10R RD END BEARING,P/N KP-10S SQ END BEARING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-034-76335120-00-034-7633 INTERCHANGEABLE
Spacer,mechanical Puller
General Services Administration Federal Supply Service
5910-00-170-9557 INTERCHANGEABLE
Capacitor,variable,air Dielectri
2825-00-388-68178052 INTERCHANGEABLE
Spindle,extension,gas Turbine
Northrop Grumman Systems Corporation Div Marine Systems
6625-00-470-83568052 INTERCHANGEABLE
Meter,noise Level
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5970-00-547-09668052-00 INTERCHANGEABLE
Tape,insulation,electrical
Plymouth Rubber Co Inc
5999-00-552-68009566 INTERCHANGEABLE
Contact,electrical
Te Connectivity Corporation
5330-00-675-517413726M1 INTERCHANGEABLE
Seal Oil
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5960-00-959-3341104,211 INTERCHANGEABLE
Electron Tube
Triton Services Incorporated Dba Electron Technology Division Div Electron Technology Division
5985-01-017-18498052 INTERCHANGEABLE
Attenuator,fixed
Bird Electronic Corporation Div Bird Electronic Corp
5962-01-084-6291 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
8052 Duro Dyne Corporation (USA)
KS12 Duro Dyne Corporation (USA)
Related Parts
5120-00-034-7633INTERCHANGEABLE
SPACER,MECHANICAL PULLER
5120-00-034-7633
5910-00-170-9557INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
2825-00-388-6817INTERCHANGEABLE
SPINDLE,EXTENSION,GAS TURBINE
8052
6625-00-470-8356INTERCHANGEABLE
METER,NOISE LEVEL
8052
5970-00-547-0966INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
8052-00
5999-00-552-6800INTERCHANGEABLE
CONTACT,ELECTRICAL
9566
5330-00-675-5174INTERCHANGEABLE
SEAL OIL
13726M1
5960-00-959-3341INTERCHANGEABLE
ELECTRON TUBE
104,211
5985-01-017-1849INTERCHANGEABLE
ATTENUATOR,FIXED
8052
5962-01-084-6291INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5130-01-084-8928INTERCHANGEABLE
WRENCH,IMPACT,ELECTRIC
9072-22
5340-01-198-8769INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
7M735-1

Frequently Asked Questions

What is NSN 4520-00-133-4026?

NSN 4520-00-133-4026 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 4520-00-133-4026?

NSN 4520-00-133-4026 has 2 cross-referenced part numbers: 8052 (Duro Dyne Corporation), KS12 (Duro Dyne Corporation).

What NSN replaces 4520-00-133-4026?

There are 12 known substitutes for 4520-00-133-4026: 5120-00-034-7633, 5910-00-170-9557, 2825-00-388-6817 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8052?

Key specifications for 8052: General Characteristics Item Description: PLATED STEEL; LEVER ACTION; WING NUT ADJUSTING AND LOCKING OF DAMPER; CONSISTS OF 0.500 IN. P/N K-5 QUADRANT,P/N KP-10R RD END BEARING,P/N KP-10S SQ END BEARING 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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