Model: 639AS1298

Pressure Switch

Properties:

Overall Length
4.000 inches
Overall Height
5.812 inches
Overall Width
2.125 inches
Unthreaded Mounting Hole Diameter
0.266 inches
Distance Between Mounting Facility Centers
2.624 inches
Pressure Switch Type
Gage
Mounting Method
Bracket and unthreaded hole
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
7.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+2500.00/+5500.00 actuation point pounds per square inch gage and +500.00/+2000.00 deactuation point pounds per square inch gage
Contact Adjustment Type
Internal deactuation point screw and internal actuation point screw
Contact Stimulus Rating
100.00 differential point pounds per square inch gage
Contact Voltage Rating In Volts
125.0 ac at sea level single voltage
Pressure Connector Type
Plain, threaded internal single connection
Frequency In Hertz
60.0 single voltage
Thread Series Designator
Nptf single pressure connection
NSN
5930-01-056-2979
Part Number
639AS1298
Description
Switch,pressure
CAGE

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 639AS1298 NSN 5930-01-056-2979

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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