#BB521-3 Vacuum Switch | Switches

BB521-3

Pressure Switch

NSN 5930-00-629-0301

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
006290301

Product Features

Bourdon tubes, magnetic mercury switch

Product Technical Spec.

Overall Height:
6.125 inches
Body Diameter:
5.750 inches
Unthreaded Mounting Hole Diameter:
0.750 inches
Pressure Switch Type:
Differential
Mounting Method:
Unthreaded hole
Contact Action Stimulus:
Decrease
Thread Size:
0.250 inches single pressure connection
Contact Load Current Rating:
2.5 amperes resistive load first voltage
Contact Load Current Rating:
5.0 amperes resistive load second voltage
Contact Adjustability:
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Type:
External deactuation point knob with scale and external actuation point knob with scale
Contact Stimulus Rating:
1.000 differential point pounds per square inch
Contact Voltage Rating In Volts:
120.0 ac at sea level second voltage
Contact Voltage Rating In Volts:
240.0 ac at sea level first voltage
Pressure Connector Type:
External seat-gasket seal, threaded external all connections
Media For Which Designed:
Liquid
Style Designator:
Cylindrical w/port
NSN:
5930-00-629-0301
Item Name:
Switch,vacuum
Cage Code:
39709

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
BB521-3
Cage Code:
85274
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Pressure Switches
------------ P/N BB521-3

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Last Updated: 02/17/2025