Model: 21840410A

Pressure Switch

Properties:

Thread Class
2b single pressure connection
Thread Length
0.500 inches single pressure connection
Overall Length
5.750 inches
Outside Diameter
0.438 inches single connection
Overall Height
10.813 inches
Overall Width
3.000 inches
Body Height
2.750 inches
Longest Horizontal Distance Between Mounting Centers
3.000 inches
Shortest Horizontal Distance Between Mounting Centers
1.500 inches
Longest Vertical Distance Between Mounting Centers
4.250 inches
End Application
Seawolf class ssn
Pressure Switch Type
Gage
Mounting Method
Bracket
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
20 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
5000.00 pounds per square inch
Thread Size
0.438 inches single pressure connection
Mounting Facility Pattern
Isosceles triangle
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
16.0 amperes resistive load second voltage
Contact Load Current Rating
3.2 amperes resistive load first voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+500.00/+5000.00 actuation point pounds per square inch and +350.00/+4610.00 deactuation point pounds per square inch
Contact Adjustment Type
External deactuation point screw and external actuation point screw
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
550.0 ac at sea level first voltage
Pressure Connector Type
Inverted flare, threaded external single connection
Media For Which Designed
Gas or liquid
Style Designator
Rectangular w/bracket
Thread Series Designator
Unf single pressure connection
NSN
5930-01-546-3173
Part Number
21840410A
Description
Switch,pressure
CAGE
96169

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 21840410A NSN 5930-01-546-3173

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:
--
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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