Model: A-81870-3

Pressure Switch

Special Features:

Spdt; connection 7/16 - 20 str thd-f; monel bellows; phosphor bronze housing

Properties:

Overall Length
5.812 inches
Overall Height
5.593 inches
Overall Width
2.688 inches
Body Length
4.782 inches
Body Height
2.750 inches
Unthreaded Mounting Hole Diameter
0.281 inches
End Application
Chlorinator assembly
Pressure Switch Type
Differential
Mounting Method
Unthreaded hole
Contact Action Stimulus
Increase
Proof Pressure
647.00 pounds per square inch gage
Mounting Facility Pattern
Obtuse triangle
Terminal Type
Screw
Contact Adjustability
Actuation point adjustable and deactuation point adjustable
Contact Adjustment Range
+60.00/+350.00 actuation point pounds per square inch gage
Contact Adjustment Type
External actuation point screw and external deactuation point screw
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 ac at sea level second voltage
Contact Voltage Rating In Volts
440.0 ac at sea level third voltage
Contact Voltage Rating In Volts
550.0 ac at sea level fourth voltage
Media For Which Designed
Liquid
Style Designator
Rectangular
NSN
5930-01-512-1965
Part Number
A-81870-3
Description
Switch,pressure
CAGE
89357

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 A-81870-3 NSN 5930-01-512-1965

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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