Model: 44A55

Pressure Switch

Properties:

Unthreaded Mounting Hole Diameter
0.229 inches
Longest Horizontal Distance Between Mounting Centers
Between 1.580 inches and 1.600 inches
Longest Vertical Distance Between Mounting Centers
Between 3.360 inches and 3.380 inches
Pressure Switch Type
Absolute
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 180.0 degrees fahrenheit
Mounting Method
Bracket and unthreaded hole
Contact Action Stimulus
Increase
Proof Pressure
40.00 inches of mercury
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
2 pole, double throw, one position momentary
Contact Load Current Rating
5.0 amperes resistive load single voltage and 2.0 amperes inductive load single voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
6.71 actuation point inches of mercury
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Gas
NSN
5930-00-887-0667
Part Number
44A55
Description
Switch,pressure
CAGE
09049

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 44A55 NSN 5930-00-887-0667

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:
U
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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