Model: 20SR2B1

Rotary Switch

Properties:

Overall Length
10.063 inches
Overall Height
6.750 inches
Overall Width
6.750 inches
First Flat Length
0.875 inches single actuator
Flat Height
0.467 inches single actuator
Shaft Diameter
0.625 inches single actuator
Shaft Length
1.188 inches single actuator
Unthreaded Mounting Hole Diameter
0.500 inches single mounting facility
Individual Section Quantity
4
Knob Manufacturer Code
80064
Knob Manufacturer Part Number
9s5360pc6
Longest Horizontal Distance Between Mounting Centers
5.625 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
5.625 inches single mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
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 rectangular single mounting facility
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Threaded stud
Contact Switching Action
Breaks before makes each section front
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.).
Nondefinitive Specification/std Data
20sr class
NSN
5930-00-548-7948
Part Number
20SR2B1
Description
Switch,rotary
CAGE
82121

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).

Part 20SR2B1 NSN 5930-00-548-7948

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts

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