Model: 37989

Pressure Switch

Special Features:

Weapon system essential

Properties:

Thread Length
0.500 inches single pressure connection
Hazardous Locations/environmental Protection
Driptight
Overall Length
1.880 inches
Outside Diameter
0.375 inches single connection
Body Length
0.680 inches
Overall Diameter
1.680 inches
End Application
Hh-60h search and rescue, sh-60f carrier-based, ah-1w advance attack, hh-60j uscg search and rescue helicopters. P12 fire/crash truck. C-2a reprocured aircraft. Mb-4 aircraft towing tractor. Shipboard material handling (mhe). B-2 bomber (se) support equipment.
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -40.0 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
150.00 pounds per square inch
Thread Size
0.125 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Criticality Code Justification
Feat
Sensing Element Burst Pressure
450.00 pounds per square inch
Terminal Type
Tab w/screw
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
15.00 actuation point pounds per square inch
Contact Voltage Rating In Volts
6.0 dc at sea level single voltage
Pressure Connector Type
Plain, threaded external single connection
Media For Which Designed
Liquid
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Cylindrical
Thread Series Designator
Npt single pressure connection
NSN
5930-00-998-5568
Part Number
37989
Description
Switch,pressure
CAGE
5RQL2

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 37989 NSN 5930-00-998-5568

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:
S
ESD:
ESD:
MMAC:
EH
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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