PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CASCADE NO. 422Stool,dental Operating Chair

A-Dec Inc Dba a-Dec · NSN 6520-01-391-1165 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-391-1165 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-391-1165. Primary manufacturer part number: CASCADE NO. 422.
Features
  • Stool,dental Operating Chair — FSC 6520
  • Stool Adjustable Height: 22.500 INCHES MINIMUM AND 29.000 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: A-Dec Inc Dba a-Dec
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stool,dental Operating Chair, cataloged under National Stock Number 6520-01-391-1165, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is A-Dec Inc Dba a-Dec. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-391-1165
Primary Part NumberCASCADE NO. 422
Item NameStool,dental Operating Chair
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerA-Dec Inc Dba a-Dec
StatusACTIVE
Stool Adjustable Height22.500 INCHES MINIMUM AND 29.000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
6695-00-274-8956820-8 INTERCHANGEABLE
Adapter,photometer
Gamma Scientific Inc
5307-00-276-2583107586 INTERCHANGEABLE
Stud,plain
Cummins Inc.
6145-00-681-15858208 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4110-01-028-7016CFC-26A INTERCHANGEABLE
Freezer,prefabricated
Commercial Fixture Co Inc
6625-01-104-7146 INTERCHANGEABLE
Voltmeter
5920-01-267-8173IB6 INTERCHANGEABLE
Arrester,electrical Surge
Trippe Manufacturing Company Dba Tripp Lite
6630-01-665-86978208 INTERCHANGEABLE
Hydrometer,graduated Scale
Kessler Thermometer Corp Dba Kessler Thermometers Corp
Cross-Reference Index
Part NumberManufacturer
CASCADE NO. 1622 A-Dec Inc Dba a-Dec (USA)
CASCADE NO. 422 PRIMARY A-Dec Inc Dba a-Dec (USA)
6520NCM082575 Defense Medical Standardization Board (USA)
8208 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
1622 A-Dec Inc Dba a-Dec (USA)
CASCADE 1622 Adec Australia (AUS)
422 PRIMARY A-Dec Inc Dba a-Dec (USA)
Related Parts
6695-00-274-8956INTERCHANGEABLE
ADAPTER,PHOTOMETER
820-8
5307-00-276-2583INTERCHANGEABLE
STUD,PLAIN
107586
6145-00-681-1585INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8208
4110-01-028-7016INTERCHANGEABLE
FREEZER,PREFABRICATED
CFC-26A
6625-01-104-7146INTERCHANGEABLE
VOLTMETER
5920-01-267-8173INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
IB6
6630-01-665-8697INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
8208

Frequently Asked Questions

What is NSN 6520-01-391-1165?

NSN 6520-01-391-1165 is a Stool,dental Operating Chair, manufactured by A-Dec Inc Dba a-Dec, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-391-1165?

NSN 6520-01-391-1165 has 7 cross-referenced part numbers: CASCADE NO. 1622 (A-Dec Inc Dba a-Dec), CASCADE NO. 422 (A-Dec Inc Dba a-Dec), 6520NCM082575 (Defense Medical Standardization Board), 8208 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 1622 (A-Dec Inc Dba a-Dec) and 2 more.

What NSN replaces 6520-01-391-1165?

There are 7 known substitutes for 6520-01-391-1165: 6695-00-274-8956, 5307-00-276-2583, 6145-00-681-1585 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CASCADE NO. 422?

Key specifications for CASCADE NO. 422: Special Features: FOR DENTAL TECHNICIANS; CAST ALUMINUM BASE; FIVE TWIN-WHEELED TILE CASTERS; INTEGRAL GAS CYLINDER FOR HEIGHT ADJUSTMENT; TWO-WAY ADJUSTABLE TORSO SUPPORT; TORSO SUPPORT REVERSES FOR RIGHT OR LEFT ENTRY; ADJUSTABLE HEIGHT FOOT RING; COMES IN A VARIETY OF UPHOSTERY COLORS; Stool Adjustable Height: 22.500 INCHES MINIMUM AND 29.000 INCHES MAXIMUM IN. 2 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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