Model: 12479-3

Pressure Switch

Properties:

Thread Class
3a single pressure connection
Overall Length
3.528 inches
Outside Diameter
0.438 inches single connection
Body Length
2.250 inches
Overall Diameter
1.120 inches
End Application
Hull obrp
Pressure Switch Type
Gage
Mounting Method
Terminal, wire-lead
Thready Qty Per Inch (tpi)
20 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
100.00 pounds per square inch gage
Thread Size
0.438 inches single pressure connection
Nonpile-up Contact Arrangement
2 pole, double throw, both positions maintained
Sensing Element Burst Pressure
150.00 pounds per square inch gage
Terminal Type
Wire hook
Contact Load Current Rating
0.5 amperes resistive load first voltage
Contact Load Current Rating
0.5 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
18.00 actuation point pounds per square inch gage and 15.00 deactuation point pounds per square inch gage and 3.00 differential point pounds per square inch gage
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
50.0 dc at sea level second voltage
Pressure Connector Type
Swivel nut, inverted flare, threaded external single connection
Media For Which Designed
Gas
Style Designator
Cylindrical
Thread Series Designator
Unf single pressure connection
NSN
5930-01-124-0561
Part Number
12479-3
Description
Switch,pressure
CAGE
98505

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 12479-3 NSN 5930-01-124-0561

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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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