Model: RD18990

Pressure Switch

Properties:

Overall Length
2.453 inches
Body Diameter
1.500 inches
Body Length
1.500 inches
Overall Diameter
1.310 inches
Pressure Switch Type
Absolute
Width Across Flats
0.500 inches
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 250.0 degrees fahrenheit
Mounting Method
Inlet connection
Thready Qty Per Inch (tpi)
27 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
35.00 pounds per square inch
Thread Size
0.125 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Wire lead
Contact Load Current Rating
3.0 amperes resistive load second voltage
Contact Load Current Rating
1.0 amperes resistive load first voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
3.00 differential point pounds per square inch absolute
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Pressure Connector Type
Plain, threaded external single connection
Style Designator
Cylindrical
Thread Series Designator
Npt single pressure connection
NSN
5930-00-949-6556
Part Number
RD18990
Description
Switch,pressure
CAGE
51663

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Part RD18990 NSN 5930-00-949-6556

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
App. Key:
D
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:
0.3000lbs
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: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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