PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-0250-00Switch,air Actuated

A-Dec Inc Dba a-Dec · NSN 6520-00-277-8109 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-00-277-8109 — this item is cataloged by the U.S. Government under National Stock Number 6520-00-277-8109. Primary manufacturer part number: 40-0250-00.
Features
  • Switch,air Actuated — FSC 6520
  • General Characteristics Item Description: MTD ON 1.00 IN. SQ MTG BLOCK W/TWO-CONDUCTOR CABLE,37.00 IN. LG,FIRST END TERMINATED W/TWIST LOCK PLUG,SECOND END TERMINATED W/SPADE TERMINALS,W/BRAID COVERED PLASTIC AIR HOSE,0.250 IN. OD,0.125 IN. ID,35.625 IN. LG IN
  • FSC Application Data: DENTAL OPERATING UNIT
  • 3 verified cross-references
  • Primary manufacturer: A-Dec Inc Dba a-Dec
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,air Actuated, cataloged under National Stock Number 6520-00-277-8109, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-00-277-8109
Primary Part Number40-0250-00
Item NameSwitch,air Actuated
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerA-Dec Inc Dba a-Dec
StatusACTIVE
General Characteristics Item DescriptionMTD ON 1.00 IN. SQ MTG BLOCK W/TWO-CONDUCTOR CABLE,37.00 IN. LG,FIRST END TERMINATED W/TWIST LOCK PLUG,SECOND END TERMINATED W/SPADE TERMINALS,W/BRAID COVERED PLASTIC AIR HOSE,0.250 IN. OD,0.125 IN. ID,35.625 IN. LG IN
FSC Application DataDENTAL OPERATING UNIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5998-00-011-9946 INTERCHANGEABLE
Electronic Components Assembly
5930-00-061-235701-017100-000 INTERCHANGEABLE
Switch,thermostatic
Custom Control Sensors, Llc
5995-00-235-1717XH1293 INTERCHANGEABLE
Lead Assembly,electrical
Heale Manufacturing Co Llc
5975-00-242-4234CF8201 INTERCHANGEABLE
Adapter,electrical Conduit
Egs Electrical Group Appleton Div
5950-00-394-06593019954-001 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2540-00-614-4579 INTERCHANGEABLE
Plate,quadrant
5133-01-053-2622 INTERCHANGEABLE
Cutter,hole Forming,drive Shank
5330-01-125-49281710-0 INTERCHANGEABLE
Gasket
Dover Corp Groen Div
8040-01-193-331217100 INTERCHANGEABLE
Adhesive
Illinois Tool Works Inc. Dba Illinois Tool Works Inc
6515-01-590-1373202.248 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
17-100 A-Dec Inc Dba a-Dec (USA)
40-0250-00 PRIMARY A-Dec Inc Dba a-Dec (USA)
40-0250-00 Adec Australia (AUS)
Related Parts
5998-00-011-9946INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5930-00-061-2357INTERCHANGEABLE
SWITCH,THERMOSTATIC
01-017100-000
5995-00-235-1717INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
XH1293
5975-00-242-4234INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
CF8201
5950-00-394-0659INTERCHANGEABLE
TRANSFORMER,POWER
3019954-001
2540-00-614-4579INTERCHANGEABLE
PLATE,QUADRANT
5133-01-053-2622INTERCHANGEABLE
CUTTER,HOLE FORMING,DRIVE SHANK
5330-01-125-4928INTERCHANGEABLE
GASKET
1710-0
8040-01-193-3312INTERCHANGEABLE
ADHESIVE
17100
6515-01-590-1373INTERCHANGEABLE
SCREW,BONE
202.248

Frequently Asked Questions

What is NSN 6520-00-277-8109?

NSN 6520-00-277-8109 is a Switch,air Actuated, 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 6520-00-277-8109?

NSN 6520-00-277-8109 has 3 cross-referenced part numbers: 17-100 (A-Dec Inc Dba a-Dec), 40-0250-00 (A-Dec Inc Dba a-Dec), 40-0250-00 (Adec Australia).

What NSN replaces 6520-00-277-8109?

There are 10 known substitutes for 6520-00-277-8109: 5998-00-011-9946, 5930-00-061-2357, 5995-00-235-1717 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-0250-00?

Key specifications for 40-0250-00: General Characteristics Item Description: MTD ON 1.00 IN. SQ MTG BLOCK W/TWO-CONDUCTOR CABLE,37.00 IN. LG,FIRST END TERMINATED W/TWIST LOCK PLUG,SECOND END TERMINATED W/SPADE TERMINALS,W/BRAID COVERED PLASTIC AIR HOSE,0.250 IN. OD,0.125 IN. ID,35.625 IN. LG IN; FSC Application Data: DENTAL OPERATING UNIT; Part Name Assigned by Controlling Agency: SWITCH AIR ACTUATED WITH TWO CONDUCTOR CABLE 37 IN LG IN. 3 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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