Model: P20AA-12

Pressure Switch

Properties:

Thread Class
3b single pressure connection
Inside Diameter
0.250 inches single connection
Thread Length
0.488 inches single pressure connection
Overall Length
2.953 inches
Overall Height
2.641 inches
Overall Width
2.812 inches
Body Height
2.641 inches
Unthreaded Mounting Hole Diameter
0.161 inches
Distance Between Mounting Facility Centers
2.375 inches
Pressure Switch Type
Gage
Mounting Method
Unthreaded hole
Features Provided
Capillary tube end seal connection
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Screw
Contact Load Current Rating
16.0 amperes resistive load first voltage
Contact Load Current Rating
7.0 amperes resistive load third voltage
Contact Load Current Rating
9.2 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
24.00 actuation point pounds per square inch and 10.00 deactuation point pounds per square inch
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
208.0 ac at sea level second voltage
Contact Voltage Rating In Volts
277.0 ac at sea level third voltage
Pressure Connector Type
Swivel nut, flare, threaded internal single connection
Media For Which Designed
Gas or liquid
Style Designator
Rectangular w/bracket
Thread Series Designator
Ptf-sae short single pressure connection
NSN
5930-01-019-5209
Part Number
P20AA-12
Description
Switch,pressure
CAGE
92578

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 P20AA-12 NSN 5930-01-019-5209

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

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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