Model: 604P21

Pressure Switch

Properties:

Inside Diameter
0.250 inches single connection
Hazardous Locations/environmental Protection
Weatherproof
Overall Length
6.230 inches
Overall Height
3.100 inches
Overall Width
4.750 inches
Body Length
3.200 inches
Body Width
4.100 inches
Unthreaded Mounting Hole Diameter
0.265 inches
Longest Horizontal Distance Between Mounting Centers
4.250 inches
Longest Vertical Distance Between Mounting Centers
3.100 inches
Pressure Switch Type
Gage
Mounting Method
Bracket and unthreaded hole
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
4500.00 pounds per square inch
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
400.0 milliamperes resistive load second voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+200.00/+3000.00 actuation point pounds per square inch and +100.00/+2800.00 deactuation point pounds per square inch
Contact Adjustment Type
Internal actuation point serrated nut and internal deactuation point serrated nut
Contact Voltage Rating In Volts
150.0 dc at sea level second voltage
Contact Voltage Rating In Volts
480.0 ac at sea level first voltage
Pressure Connector Type
Double compression, threaded internal single connection
Media For Which Designed
Gas
Style Designator
Rectangular w/bracket
Thread Series Designator
Npt single pressure connection
NSN
5930-00-494-6015
Part Number
604P21
Description
Switch,pressure
CAGE
09049

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 604P21 NSN 5930-00-494-6015

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.4000lbs
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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