Model: 21T4-104

Pressure Switch

Properties:

Thread Class
2b all threaded hole
Overall Length
2.688 inches
Overall Height
2.406 inches
Overall Width
0.938 inches
Body Height
2.156 inches
Distance Between Mounting Facility Centers
0.688 inches
Pressure Switch Type
Gage
Mounting Method
Base and threaded hole
Features Provided
Tubing end seal connection
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Increase
Thread Size
0.138 inches all threaded hole
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
16.0 amperes resistive load first voltage
Contact Load Current Rating
7.0 amperes resistive load second voltage
Contact Adjustability
Actuation point adjustable, preset
Contact Adjustment Range
+100.00/+425.00 actuation point pounds per square inch
Contact Adjustment Type
External actuation point screw
Contact Stimulus Rating
250.00 actuation point pounds per square inch
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
277.0 ac at sea level second voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Unc all threaded hole
NSN
5930-00-066-2613
Part Number
21T4-104
Description
Switch,pressure
CAGE
98437

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 21T4-104 NSN 5930-00-066-2613

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:
0.8000lbs
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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