Model: A90-387

Sensitive Switch

Properties:

Body Style
Bushing/hole mounted
Hazardous Locations/environmental Protection
Dustproof
Center To Center Distance Between Mounting Facilities Parallel To Length
1.000 inches
Bushing Length
0.500 inches
Body Length
1.937 inches
Body Width
0.687 inches
Body Height
0.990 inches
Actuator Style
Round
Actuator Diameter
0.328 inches
Actuator Height
0.339 inches
Actuator Free Position Height
1.500 inches
Actuator Adapter Style
Pushbutton
Center To Center Distance Between Adapter Mounting Facilities Parallel To Length
1.812 inches
Maximum Voltage Rating In Volts
250.0 ac and 230.0 dc
Inclosure Type
Fully enclosed
Features Provided
Actuator seal
Thread Size
0.138 inches
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action single switch unit
Switch Release Force
4.0 ounces
Switch Actuating Force
16.0 ounces
Actuator Movement
Between 0.187 pretravel inches and 0.093 overtravel inches and 0.005 differential inches
Thread Series Designator
Unf
Terminal Type And Quantity
2 screw
NSN
5930-00-237-7403
Part Number
A90-387
Description
Switch,sensitive
CAGE
81640

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.

Part A90-387 NSN 5930-00-237-7403

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00399
FIIG:
A053A0
Concept No.:
App. Key:
S
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536509050
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, slide, for a voltage not exceeding 1,000 v

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