Model: 73-55-77

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.250 inches single mounting facility
Overall Length
2.269 inches
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.350 inches single actuator
Overall Diameter
1.500 inches
Nonturn Device Radius
0.531 inches at 9: 00 o'clock
Individual Section Quantity
4
Nonturn Device Type
Tab at 9: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
3 each section periphery
Throw Quantity
4 each section periphery
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section periphery
Switch Actuator Positioning Increment
30.0 degrees single actuator
Detent Rotational Torque Range
+12.000/+96.000 inch-ounces single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
300.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
500.0 milliamperes resistive load dc at sea level
Precious Material And Location
Contact surfaces silver
Precious Material
Silver
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-01-021-5286
Part Number
73-55-77
Description
Switch,rotary
CAGE
79692

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 73-55-77 NSN 5930-01-021-5286

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

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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