Model: 312-1

Pressure Switch

Special Features:

Splash-proof housing 1/2-14 npt conduit connection

Properties:

Overall Length
7.375 inches
Overall Height
2.500 inches
Overall Width
6.375 inches
Longest Horizontal Distance Between Mounting Centers
5.375 inches
Longest Vertical Distance Between Mounting Centers
3.500 inches
Pressure Switch Type
Gage
Mounting Method
Bracket
Thready Qty Per Inch (tpi)
18 single pressure connection
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
1 pole, double throw, both positions maintained
Terminal Type
Screw
Contact Load Current Rating
3.0 amperes resistive load single voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+15.00/+400.00 actuation point pounds per square inch
Contact Voltage Rating In Volts
460.0 ac at sea level single voltage
Thread Series Designator
Npt single pressure connection
NSN
5930-00-557-2143
Part Number
312-1
Description
Switch,pressure
CAGE
89326

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 312-1 NSN 5930-00-557-2143

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:
--
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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