Model: 87-1971-2

Rotary Switch

Special Features:

Second shaft used for varible resistor

Properties:

Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
4.210 inches
First Flat Length
0.234 inches 1st actuator and 0.265 inches 1st actuator
Flat Height
0.216 inches 1st actuator and 0.220 inches 1st actuator
Shaft Diameter
0.123 inches 2nd actuator and 0.126 inches 2nd actuator
Shaft Diameter
0.247 inches 1st actuator and 0.251 inches 1st actuator
Shaft Length
0.375 inches 1st actuator
Shaft Length
0.460 inches 2nd actuator
Overall Diameter
1.062 inches
Nonturn Device Radius
0.370 inches at 3: 00 o'clock and 0.380 inches at 3: 00 o'clock
Individual Section Quantity
2
Nonturn Device Type
Pin at 3: 00 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
3 each section rear
Throw Quantity
3 each section rear
Mounting Method
Threaded bushing single mounting facility
Features Provided
Variable resistor
Thread Size
0.375 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
Switch Actuator Indexing Position Quantity
3 1st actuator
Shaft Type
Round 2nd actuator
Shaft Type
Round, hollowed, flatted 1st actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
30.0 degrees 1st actuator
Switch Actuator Stop Device Type
Fixed stop 1st actuator
Contact Load Current Rating
1.0 milliamperes resistive load dc at sea level
Contact Load Current Rating
500.0 milliamperes resistive load ac at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-01-016-1556
Part Number
87-1971-2
Description
Switch,rotary
CAGE
91812

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 87-1971-2 NSN 5930-01-016-1556

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:
7.0 X 3.0 X 3.0
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: 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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