Model: 12NK8

Pressure Switch

Properties:

Thread Class
2b single pressure connection
Hazardous Locations/environmental Protection
Watertight
Overall Length
3.812 inches
Overall Height
6.000 inches
Overall Width
3.750 inches
Body Length
3.374 inches
Distance Between Mounting Facility Centers
2.500 inches
Pressure Switch Type
Gage
Mounting Method
Bracket
Features Provided
Automatic reset
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
400.00 pounds per square inch
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable, preset
Contact Adjustment Range
+0.20/+2.00 actuation point pounds per square inch gage and +0.15/+1.65 deactuation point pounds per square inch gage
Contact Adjustment Type
Internal deactuation point hex nut and internal actuation point hex nut
Contact Voltage Rating In Volts
480.0 ac at sea level single voltage
Pressure Connector Type
Swivel nut, compression, threaded internal single connection
Media For Which Designed
Gas
Style Designator
Rectangular
Thread Series Designator
Npt single pressure connection
NSN
5930-00-455-0788
Part Number
12NK8
Description
Switch,pressure
CAGE
34950

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 12NK8 NSN 5930-00-455-0788

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:
3.0000lbs
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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