Model: 237450-MF8

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
10.832 inches
Overall Height
2.312 inches
Overall Width
1.968 inches
Shaft Diameter
0.156 inches 3rd actuator
Shaft Diameter
0.250 inches 2nd actuator
Shaft Diameter
0.375 inches 1st actuator
Shaft Length
2.094 inches 1st actuator
Shaft Length
2.344 inches 2nd actuator
Shaft Length
2.859 inches 3rd actuator
Nonturn Device Radius
0.531 inches at 10: 30 o'clock
Individual Section Quantity
8
Nonturn Device Type
Tab at 10: 30 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 2nd section front
Pole Quantity
1 3rd section front
Pole Quantity
1 3rd section rear
Pole Quantity
1 4th section front
Pole Quantity
1 5th section front
Pole Quantity
1 6th section front
Pole Quantity
1 6th section rear
Pole Quantity
1 7th section front
Pole Quantity
2 8th section rear
Throw Quantity
1 4th section rear
Throw Quantity
1 5th section rear
Throw Quantity
1 7th section rear
Throw Quantity
1 8th section rear
Throw Quantity
1 1st section front
Throw Quantity
1 2nd section rear
Throw Quantity
3 6th section front
Throw Quantity
3 3rd section front
Throw Quantity
4 1st section rear
Throw Quantity
4 2nd section front
Throw Quantity
4 5th section front
Throw Quantity
5 4th section front
Throw Quantity
6 3rd section rear
Throw Quantity
6 6th section rear
Throw Quantity
6 7th section front
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.625 inches single mounting facility
Contact Voltage Rating In Volts
110.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Rotor Through Connection Quantity
1 1st section
Rotor Through Connection Quantity
1 2nd section
Rotor Through Connection Quantity
1 4th section
Rotor Through Connection Quantity
1 5th section
Rotor Through Connection Quantity
1 7th section
Switch Actuator Indexing Position Quantity
24 all actuators
Shaft Type
Round 3rd actuator
Shaft Type
Round, hollowed 1st actuator
Shaft Type
Round, hollowed 2nd actuator
Terminal Type
Clip
Contact Switching Action
Breaks before makes 8th section rear
Contact Switching Action
Makes before breaks 1st section rear
Contact Switching Action
Makes before breaks 1st section front
Contact Switching Action
Makes before breaks 2nd section front
Contact Switching Action
Makes before breaks 2nd section rear
Contact Switching Action
Makes before breaks 3rd section front
Contact Switching Action
Makes before breaks 3rd section rear
Contact Switching Action
Makes before breaks 4th section front
Contact Switching Action
Makes before breaks 4th section in-line
Contact Switching Action
Makes before breaks 5th section front
Contact Switching Action
Makes before breaks 5th section rear
Contact Switching Action
Makes before breaks 6th section front
Contact Switching Action
Makes before breaks 6th section rear
Contact Switching Action
Makes before breaks 7th section front
Contact Switching Action
Makes before breaks 7th section rear
Switch Actuator Positioning Increment
15.0 degrees all actuators
Detent Rotational Torque Range
+30.000/+45.000 inch-ounces 1st actuator
Detent Rotational Torque Range
+30.000/+45.000 inch-ounces 2nd actuator
Detent Rotational Torque Range
+5.000/+20.000 inch-ounces 3rd actuator
Switch Actuator Stop Device Type
Fixed stop all actuators
Contact Load Current Rating
1.0 amperes resistive load dc at sea level
Contact Load Current Rating
500.0 milliamperes resistive load ac at sea level
Precious Material And Location
Clips and rotor blade surfaces silver
Precious Material
Silver
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-00-256-4552
Part Number
237450-MF8
Description
Switch,rotary
CAGE
76854

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 237450-MF8 NSN 5930-00-256-4552

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:
S
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:
72D
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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