Model: 931B491-1

Rotary Switch

Special Features:

Spring return from no. 2 and no. 3 position to no. 1 position

Properties:

Shaft Diameter
0.250 inches single actuator
Shaft Length
0.500 inches single actuator
Overall Diameter
2.000 inches
Individual Section Quantity
2
Knob Manufacturer Code
80064
Knob Manufacturer Part Number
9s5401l1
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 each section front
Throw Quantity
3 each section front
Mounting Method
Threaded bushing single mounting facility
Features Provided
Actuator knob
Contact Voltage Rating In Volts
125.0 dc at sea level
Switch Actuator Momentary Position
Clockwise single actuator
Switch Actuator Indexing Position Quantity
8 single actuator
Shaft Type
Round, flatted, threaded hole single actuator
Criticality Code Justification
Zzzy
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section front
Switch Actuator Positioning Increment
45.0 degrees single actuator
Switch Actuator Stop Device Type
Adjustable stop single actuator
Contact Load Current Rating
5.0 amperes resistive load dc at sea level
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
5930-00-578-3922
Part Number
931B491-1
Description
Switch,rotary
CAGE
11660

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 931B491-1 NSN 5930-00-578-3922

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:
A
ESD:
ESD:
MMAC:
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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