Model: 973557-1C

Rotary Switch
Description:

2a single mounting facility thread class, 0.417 inches single mounting facility thread length, explosion proof hazardous locations/environmental protection.

Properties:

Thread Class
2a single mounting facility
Thread Length
0.417 inches single mounting facility and 0.457 inches single mounting facility
Thread Length
0.417 inches and 0.457 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
3.014 inches
First Flat Length
0.240 inches single actuator and 0.260 inches single actuator
First Flat Length
0.240 inches and 0.260 inches single actuator
Flat Height
0.214 inches single actuator
Shaft Diameter
0.248 inches single actuator and 0.251 inches single actuator
Shaft Diameter
0.248 inches and 0.251 inches single actuator
Shaft Length
0.834 inches single actuator and 0.914 inches single actuator
Shaft Length
0.834 inches and 0.914 inches single actuator
Overall Diameter
1.250 inches
Individual Section Quantity
4
Nonturn Device Type
Slotted bushing at 3: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical and nonpile-up nonsymmetrical
Pole Quantity
1 2nd section front
Pole Quantity
1 3rd section front
Pole Quantity
1 4th section front
Throw Quantity
4 2nd section rear
Throw Quantity
4 3rd section rear
Throw Quantity
4 4th section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
28.0 dc at sea level
Shaft Flat/slot Angular Location
195.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity
1 each section
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes 3rd section rear
Contact Switching Action
Breaks before makes 4th section rear
Contact Switching Action
Breaks before makes 2nd section rear
Switch Actuator Positioning Increment
45.0 degrees single actuator
Detent Rotational Torque Range
+2.000 to 4.000 inch-pounds single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
1.0 amperes resistive load dc at sea level and 500.0 milliamperes inductive load dc at sea level
Contact Load Current Rating
1.0 amperes resistive load and 500.0 milliamperes inductive load dc at sea level
Style Designator
Tap, circular, bushing mount
Test Data Document
96906-mil-std-202 standard (includes industry or association standards, individual manufactureer standards, etc.).
Thread Series Designator
Unef single mounting facility
NSN
5930-00-004-0227
Part Number
973557-1C
Description
Switch,rotary
CAGE
82577

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 973557-1C NSN 5930-00-004-0227

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:
0.2000lbs
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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