Model: 271AP12AC2321

Pressure Switch

Properties:

Thread Class
2b all pressure connection
Thread Class
2b all threaded hole
Inside Diameter
0.250 inches all connections
Overall Length
5.656 inches
Overall Height
4.250 inches
Overall Width
2.031 inches
Body Height
3.250 inches
Distance Between Mounting Facility Centers
1.000 inches
Pressure Switch Type
Differential
Mounting Method
Base and threaded hole
Features Provided
Capillary tube end seal connection
Thready Qty Per Inch (tpi)
32 all pressure connection
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Increase
Thread Size
0.190 inches all threaded hole
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
2 pole, single throw, normally open, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
13.0 amperes resistive load second voltage
Contact Load Current Rating
2.3 amperes resistive load third voltage
Contact Load Current Rating
4.6 amperes resistive load fourth voltage
Contact Load Current Rating
6.5 amperes resistive load first voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+100.00/+425.00 actuation point pounds per square inch and +100.00/+425.00 deactuation point pounds per square inch
Contact Adjustment Type
External actuation point dial and external deactuation point dial
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
115.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
230.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 dc at sea level third voltage
Pressure Connector Type
Swivel nut, flare, threaded internal all connections
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Unef all pressure connection
Thread Series Designator
Unf all threaded hole
NSN
5930-00-258-5960
Part Number
271AP12AC2321
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 271AP12AC2321 NSN 5930-00-258-5960

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.0 X 6.0 X 3.0
Paclk Weight:
3.6000lbs
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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