Model: P28DA-140

Pressure Switch

Special Features:

Weapon system essential

Properties:

Thread Class
2b all threaded hole
Overall Length
5.660 inches
Outside Diameter
0.250 inches first connection
Overall Height
2.290 inches
Overall Width
3.250 inches
Distance Between Mounting Facility Centers
1.000 inches
End Application
Lgm-30 minuteman missile
Pressure Switch Type
Differential
Mounting Method
Bracket and threaded hole
Features Provided
Manual reset button
Contact Action Stimulus
Increase
Thread Size
0.190 inches all threaded hole
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Criticality Code Justification
Feat
Terminal Type
Screw
Contact Load Current Rating
3.125 amperes resistive load second voltage
Contact Load Current Rating
6.25 amperes resistive load first voltage
Contact Adjustability
Actuation point not adjustable, manual reset
Contact Stimulus Rating
70.00 actuation point pounds per square inch gage
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
240.0 ac at sea level second voltage
Pressure Connector Type
Flared, threaded external all connections
Media For Which Designed
Liquid
Thread Series Designator
Unf all threaded hole
NSN
5930-01-174-8592
Part Number
P28DA-140
Description
Switch,pressure
CAGE
32242

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 P28DA-140 NSN 5930-01-174-8592

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
5.0000lbs
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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