Model: 81-50-98

Pressure Switch

Properties:

Inside Diameter
0.250 inches all connections
Overall Length
7.405 inches
Overall Height
2.875 inches
Overall Width
6.000 inches
Body Length
2.812 inches
Body Width
5.124 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Distance Between Mounting Facility Centers
5.750 inches
Pressure Switch Type
Differential
Mounting Method
Bracket and line and unthreaded hole
Thready Qty Per Inch (tpi)
18 all pressure connection
Contact Action Stimulus
Increase
Proof Pressure
350.00 pounds per square inch
Thread Size
0.250 inches all pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+0.00/+70.00 actuation point pounds per square inch absolute
Contact Adjustment Type
External actuation point screw
Contact Voltage Rating In Volts
250.0 ac at sea level single voltage
Pressure Connector Type
Plain, threaded internal all connections
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular w/bracket
Thread Series Designator
Npt all pressure connection
NSN
5930-01-154-7277
Part Number
81-50-98
Description
Switch,pressure
CAGE
31949

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 81-50-98 NSN 5930-01-154-7277

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:
A
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: 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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