Model: 1218-4

Pressure Switch

Properties:

Overall Length
3.422 inches
Body Length
Between 1.775 inches and 1.785 inches
Overall Diameter
2.000 inches
Unthreaded Mounting Hole Diameter
Between 0.198 inches and 0.203 inches
Distance Between Mounting Facility Centers
Between 1.859 inches and 1.891 inches
Pressure Switch Type
Absolute
Mounting Method
Unthreaded hole
Contact Action Stimulus
Decrease
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
3 pole, double throw, double break/double make, permanent jumper, one position momentary
Terminal Type
Threaded stud
Contact Load Current Rating
4.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable and deactuation point not adjustable
Contact Stimulus Rating
40.00 actuation point pounds per square inch and 40.00 deactuation point pounds per square inch
Contact Voltage Rating In Volts
30.0 dc at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical
NSN
5930-01-030-5430
Part Number
1218-4
Description
Switch,pressure
CAGE
98505

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 1218-4 NSN 5930-01-030-5430

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:
YP
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 3.0 X 3.0
Paclk Weight:
0.5000lbs
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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