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NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Rotary Switch

Model / MPN: 20SR3B2 | NSN: 5930-01-265-7993
ITAR Registered seal

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Product Details
NATO Stock Number
5930-01-265-7993
Sold in multiples of
1 EA
DEMIL
NO
Overall Length
10.125 inches
Overall Height
6.750 inches
Overall Width
6.750 inches
Unthreaded Mounting Hole Diameter
0.525 inches single mounting facility
Individual Section Quantity
6
Switch Contact Basic Design
Nonpile-up nonsymmetrical
Mounting Facility Circle Radius
3.977 inches single mounting facility
Mounting Method
Bracket single mounting facility and unthreaded hole single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
250.0 dc at sea level
Contact Voltage Rating In Volts
500.0 ac at sea level
Mounting Facility Pattern
Four position circular single mounting facility
Switch Actuator Indexing Position Quantity
4 single actuator
Terminal Type
Tab w/screw
Switch Actuator Positioning Increment
90.0 degrees single actuator
Contact Load Current Rating
200.0 amperes resistive load dc at sea level
Contact Load Current Rating
200.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Test Data Document
81349-mil-s-15291 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-s-15291/12 government specification

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20SR3B2 Cross Reference
  • M15291/12-004
  • MIL-S-15291/12
  • C9313