Model: 4NN-K2-N4-B1A

Pressure Switch

Properties:

Inside Diameter
0.250 inches single connection
Hazardous Locations/environmental Protection
Weathertight
Overall Length
4.220 inches
Overall Height
5.450 inches
Overall Width
2.230 inches
Body Height
3.000 inches
Unthreaded Mounting Hole Diameter
0.310 inches
Distance Between Mounting Facility Centers
2.750 inches
Pressure Switch Type
Gage
Mounting Method
Bracket and unthreaded hole
Features Provided
Electrical access port
Contact Action Stimulus
Increase
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
Screw
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+2.00/+8.00 actuation point pounds per square inch
Contact Adjustment Type
Internal actuation point hex nut with scale
Contact Voltage Rating In Volts
480.0 ac at sea level single voltage
Pressure Connector Type
Plain, threaded internal single connection
Media For Which Designed
Gas or liquid
Style Designator
Rectangular w/bracket
Thread Series Designator
Nptf single pressure connection
NSN
5930-01-320-5758
Part Number
4NN-K2-N4-B1A
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 4NN-K2-N4-B1A NSN 5930-01-320-5758

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:
2.2000lbs
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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