PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5166Switch,rotary

The Bechdon Company, Llc · NSN 5930-00-128-9266 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-128-9266 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-128-9266. Primary manufacturer part number: 5166.
Features
  • Switch,rotary — FSC 5930
  • Thread Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
  • Shaft Length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN
  • Terminal Type: TAB, SOLDER LUG
  • Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR
  • Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR
  • Pole Quantity: 3 SINGLE SECTION REAR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-128-9266, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is The Bechdon Company, Llc. Government technical data includes 22 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-128-9266
Primary Part Number5166
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerThe Bechdon Company, Llc
StatusACTIVE
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft Length0.750 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal TypeTAB, SOLDER LUG
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Pole Quantity3 SINGLE SECTION REAR
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Contact Voltage Rating in Volts24.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Switch Actuator Indexing Position Quantity2 SINGLE ACTUATOR
Shaft TypeROUND SINGLE ACTUATOR
Throw Quantity2 SINGLE SECTION REAR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Contact Load Current Rating1.7 AMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL
Contact Load Current Rating5.5 AMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Voltage Rating in Volts6.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Individual Section Quantity1
Contact Load Current Rating0.230 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-101-4846 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5905-00-161-06335166-2 INTERCHANGEABLE
Holder,resistor
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4710-00-278-7876 INTERCHANGEABLE
Tube,metallic
5340-00-282-7966103049-04 INTERCHANGEABLE
Clamp,loop
Ge Aviation Systems Llc
4820-00-289-1171700SIZE1-8 INTERCHANGEABLE
Cock,drain
Crane Co Div Valve Div
5325-00-481-00275166 INTERCHANGEABLE
Ring,retaining
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5120-00-541-69939177471 INTERCHANGEABLE
Blade,socket Head Screw Key
Us Army Aviation and Missile Command
6515-00-584-31255-166 INTERCHANGEABLE
Scissors,general Surgical
Integra Lifesciences Corporation
6695-00-789-81852468789PC1 INTERCHANGEABLE
Meter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-902-9726NAS1397P3N INTERCHANGEABLE
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
5166 PRIMARY The Bechdon Company, Llc (USA)
Related Parts
5910-00-101-4846INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5905-00-161-0633INTERCHANGEABLE
HOLDER,RESISTOR
5166-2
4710-00-278-7876INTERCHANGEABLE
TUBE,METALLIC
5340-00-282-7966INTERCHANGEABLE
CLAMP,LOOP
103049-04
4820-00-289-1171INTERCHANGEABLE
COCK,DRAIN
700SIZE1-8
5325-00-481-0027INTERCHANGEABLE
RING,RETAINING
5166
5120-00-541-6993INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
9177471
6515-00-584-3125INTERCHANGEABLE
SCISSORS,GENERAL SURGICAL
5-166
6695-00-789-8185INTERCHANGEABLE
METER
2468789PC1
5340-00-902-9726INTERCHANGEABLE
CLAMP,LOOP
NAS1397P3N
5325-01-005-4359INTERCHANGEABLE
RING,RETAINING
6145-01-164-6443INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5166C

Frequently Asked Questions

What is NSN 5930-00-128-9266?

NSN 5930-00-128-9266 is a Switch,rotary, manufactured by The Bechdon Company, Llc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-128-9266?

NSN 5930-00-128-9266 has 1 cross-referenced part number: 5166 (The Bechdon Company, Llc).

What NSN replaces 5930-00-128-9266?

There are 12 known substitutes for 5930-00-128-9266: 5910-00-101-4846, 5905-00-161-0633, 4710-00-278-7876 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5166?

Key specifications for 5166: Thread Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Shaft Length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN; Terminal Type: TAB, SOLDER LUG. 25 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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