Model: 250F31-1

Pressure Switch

Properties:

Thread Class
3a all pressure connection
Overall Length
3.530 inches
Overall Height
2.370 inches
Overall Width
3.540 inches
Unthreaded Mounting Hole Diameter
0.250 inches
Distance Between Mounting Facility Centers
3.000 inches
Pressure Switch Type
Gage
Mounting Method
Unthreaded hole
Thready Qty Per Inch (tpi)
16 all pressure connection
Contact Action Stimulus
Increase
Thread Size
0.750 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, both positions maintained
Terminal Type
Connector, receptacle
Contact Load Current Rating
7.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
0.50 actuation point gallons per minute and 0.30 deactuation point gallons per minute and 0.20 differential point gallons per minute
Contact Voltage Rating In Volts
115.0 ac at sea level single voltage
Pressure Connector Type
Flared, threaded external all connections
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/mounting lugs
Thread Series Designator
Unf all pressure connection
NSN
5930-00-909-3883
Part Number
250F31-1
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 250F31-1 NSN 5930-00-909-3883

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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