Model: 3557-00

Pressure Switch
Description:

3a single pressure connection thread class, fungus proof hazardous locations/environmental protection, 3.000 inches overall length.

Properties:

Thread Class
3a single pressure connection
Hazardous Locations/environmental Protection
Fungus proof
Overall Length
3.000 inches
Outside Diameter
0.438 inches single connection
Body Length
2.450 inches
Overall Diameter
0.900 inches
Pressure Switch Type
Gage
Width Across Flats
0.750 inches
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 275.0 degrees fahrenheit
Mounting Method
Inlet connection
Features Provided
Hermetically sealed case
Contact Action Stimulus
Increase
Proof Pressure
2250.00 pounds per square inch
Thread Size
0.438 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Sensing Element Burst Pressure
3750.00 pounds per square inch
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable and deactuation point not adjustable
Contact Stimulus Rating
400.00 actuation point pounds per square inch and 300.00 deactuation point pounds per square inch
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Pressure Connector Type
Flared, threaded external single connection
Media For Which Designed
Liquid
Style Designator
Cylindrical
Thread Series Designator
Unjf single pressure connection
NSN
5930-00-007-7666
Part Number
3557-00
Description
Switch,pressure
CAGE
09445

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 3557-00 NSN 5930-00-007-7666

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:
0.1000lbs
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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