Model: 517978

Sensitive Switch

Properties:

Body Style
Hole mounted
Actuator Length
1.570 inches
Actuator Style
Roller arm
Actuator Free Position Height
0.906 inches
Actuator Roller Diameter
0.750 inches
Actuator Roller Width
0.312 inches
Housing Height
1.750 inches
Housing Length
3.020 inches
Housing Width
1.000 inches
Center To Center Distance Between Housing Mounting Facilities Parallel To Length
0.917 inches
Maximum Voltage Rating In Volts
480.0 ac and 250.0 dc
Inclosure Type
Fully enclosed
Mounting Method
Unthreaded hole
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary single switch unit
Switch Release Force
6.0 ounces
Switch Actuating Force
18.0 ounces
Actuator Movement
Between 0.188 pretravel inches and 0.219 overtravel inches and 0.006 differential inches
Contact Load Current Rating At Maximum Rated Voltage
250.000 milliamperes resistive dc and 15.000 amperes resistive ac
Thread Series Designator
Unc
Terminal Type And Quantity
3 screw
NSN
5930-00-258-5280
Part Number
517978
Description
Switch,sensitive
CAGE
73782

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 517978 NSN 5930-00-258-5280

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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