Model: 21M27-1

Pressure Switch

Properties:

Overall Length
3.500 inches
Outside Diameter
0.125 inches single connection
Body Length
2.190 inches
Overall Diameter
1.500 inches
Pressure Switch Type
Gage
Operating Tempurature Rating
Between -53.9 degrees celsius and 135.0 degrees celsius
Mounting Method
Clamp
Features Provided
Hermetically sealed case
Thready Qty Per Inch (tpi)
27 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
50.00 pounds per square inch
Thread Size
0.125 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Sensing Element Burst Pressure
100.00 pounds per square inch
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
6.00 actuation point pounds per square inch gage and 4.00 deactuation point pounds per square inch gage and 2.00 differential point pounds per square inch gage
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
28.0 dc at sea level second voltage
Pressure Connector Type
Flared, threaded external single connection
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Gas
Style Designator
Cylindrical
Thread Series Designator
Npt single pressure connection
NSN
5930-00-214-5437
Part Number
21M27-1
Description
Switch,pressure
CAGE
02750

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 21M27-1 NSN 5930-00-214-5437

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:
0.1000lbs
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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