Model: HP3121-258

Pressure Switch

Properties:

Thread Class
2b all threaded hole
Overall Length
62.219 inches
Overall Height
2.656 inches
Overall Width
1.125 inches
Body Length
2.094 inches
Body Height
2.000 inches
Distance Between Mounting Facility Centers
0.688 inches
Pressure Switch Type
Gage
Mounting Method
Threaded hole
Features Provided
Manual reset button
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Increase
Proof Pressure
600.00 pounds per square inch
Thread Size
0.138 inches all threaded hole
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, both positions maintained
Sensing Element Burst Pressure
2600.00 pounds per square inch
Terminal Type
Quick disconnect, male
Contact Load Current Rating
16.0 amperes resistive load first voltage
Contact Load Current Rating
8.0 amperes resistive load second voltage
Contact Adjustability
Actuation point not adjustable, manual reset
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
240.0 ac at sea level second voltage
Frequency In Hertz
60.0 first voltage
Frequency In Hertz
60.0 second voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Unc all threaded hole
NSN
5930-00-406-7372
Part Number
HP3121-258
Description
Switch,pressure
CAGE
80439

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 HP3121-258 NSN 5930-00-406-7372

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:
1.0000lbs
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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