Model: 87-1978

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.580 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
3.330 inches
First Flat Length
0.380 inches 1st actuator
Flat Height
0.220 inches 1st actuator
Shaft Diameter
0.125 inches 2nd actuator
Shaft Diameter
0.250 inches 1st actuator
Shaft Length
0.500 inches 1st actuator
Shaft Length
1.000 inches 2nd actuator
Overall Diameter
1.100 inches
Individual Section Quantity
1
Nonturn Device Type
Slotted bushing at 3: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
3 single section front
Throw Quantity
4 single 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
115.0 ac at sea level
Shaft Flat/slot Angular Location
15.0 degrees from nonturn device 1st actuator
Rotor Through Connection Quantity
3 single section
Switch Actuator Indexing Position Quantity
4 1st actuator
Shaft Type
Round 2nd actuator
Shaft Type
Round, hollowed, flatted 1st actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks single section rear
Switch Actuator Positioning Increment
30.0 degrees 1st actuator
Switch Actuator Stop Device Type
Fixed stop 1st actuator
Contact Load Current Rating
2.0 amperes resistive load ac at sea level and 1.0 amperes inductive load ac at sea level and 400.0 milliamperes lamp load ac at sea level
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unef single mounting facility
NSN
5930-01-013-7287
Part Number
87-1978
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 87-1978 NSN 5930-01-013-7287

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:
5.0 X 2.0 X 2.0
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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