Model: 21C1-1-9

Pressure Switch

Properties:

Outside Diameter
0.438 inches single connection
Overall Diameter
1.120 inches
Pressure Switch Type
Differential
Width Across Flats
0.688 inches
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 325.0 degrees fahrenheit
Contact Action Stimulus
Increase
Proof Pressure
311.00 pounds per square inch gage
Nonpile-up Contact Arrangement
1 pole, single throw, both positions maintained
Terminal Type
Connector, receptacle
Contact Load Current Rating
2.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable and deactuation point not adjustable
Contact Stimulus Rating
43.50 actuation point pounds per square inch gage and 38.00 deactuation point pounds per square inch gage
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Pressure Connector Type
Double threaded section boss fitting gasket with locknut sealing, threaded external single connection
Media For Which Designed
Gas
Style Designator
Cylindrical
NSN
5930-01-337-5063
Part Number
21C1-1-9
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 21C1-1-9 NSN 5930-01-337-5063

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:
0.3000lbs
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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