Model: 448A

Pressure Switch

Properties:

Thread Class
3a all pressure connection
Overall Length
5.750 inches
Outside Diameter
0.125 inches all connections
Overall Height
4.000 inches
Overall Width
5.063 inches
Distance Between Mounting Facility Centers
4.750 inches
Pressure Switch Type
Gage
Mounting Method
Base
Thready Qty Per Inch (tpi)
27 all pressure connection
Contact Action Stimulus
Increase
Thread Size
0.125 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Wire lead
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
0.10 differential point inches of water
Contact Voltage Rating In Volts
250.0 ac at sea level single voltage
Pressure Connector Type
Plain, threaded external all connections
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical
Thread Series Designator
Npt all pressure connection
NSN
5930-00-148-4729
Part Number
448A
Description
Switch,pressure
CAGE
96502

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 448A NSN 5930-00-148-4729

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:
1.5000lbs
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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