AS9120B, ISO 9001:2015, and FAA 0056B Accredited
Recently Viewed Parts
USA Flag

We are proud to supply every branch of the United States military


  Top Selling NSN Components

  Top Selling Parts under FSCs

Why Choose Us?

Low Price Warrantied inventory at competitive prices
Find it fast Search the world's largest inventory of electronic components by manufacturer, category or part number
Get it fast All inventory ready to ship from our sellers
Quality guaranteed We sell only warrantied and traceable parts

Request an Instant Quote for Part B21-4-4.00A-02-31 of Airpak Products Corporation with NSN 5925012635966

Part Number: B21-4-4.00A-02-31

NIIN : 012635966
Alternate P/N: B214400A0231

Item Name : Circuit Breaker
CAGE Code : 53266
If you are in need of parts such as B21-4-4.00A-02-31 described as Circuit Breaker from Airpak Products Corporation, look no further than ASAP Inventory. As a wholly-owned subsidiary of ASAP Semiconductor, we have access to an inventory of more than two billion new and obsolete parts and components such as B21-4-4.00A-02-31 and many more. ASAP Inventory is an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, and the only independent distributor with a strict No China Sourcing Pledge, guaranteeing that each part you purchase from us is fully traceable or comes directly from the manufacturer. Anything not in our inventory can be tracked down and shipped to you with short lead times and competitive prices through our vast and diverse international supply chain network that spans North America and Europe. B21-4-4.00A-02-31 

PRODUCT DETAILS “*” Required fields are compulsory

CONTACT INFORMATION

   * By clicking this box, I acknowledge that I have read and accept the ASAP Semiconductor Terms and Conditions and agree that all quotes and purchase orders are exclusively subject to the ASAP Semiconductor Terms and Conditions.
  • I consent to receive email communications from ASAP Semiconductor and can unsubscribe at any time.
  • ASAP Semiconductor is a wholly independent aftermarket parts distributor.
  • This website is intended for quotations based on part numbers only. Please DO NOT submit drawings, technical data, or other specifications through this portal.

Note : We Will Not Share Your Information To Any Third Parties.

Our website offers parametric search capabilities allowing our customers to search for parts through a number of filters, one of which is by National Stock Number, or NSN. A National Stock Number is an identifier applied to any item of supply that is repeatedly procured, stocked, stored, issued, and used throughout the federal supply system. ASAP Inventory has a broad selection of NSN parts B21-4-4.00A-02-31 such as 5925012635966 from manufacturers like Airpak Products Corporation. To begin the purchasing process immediately, submit an RFQ today.

  • Upload RFQ SHEET
  • If you have more than one item, upload your spreadsheet here

NSN Information for Part Number B21-4-4.00A-02-31 with NSN 5925-01-263-5966, 5925012635966

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5925-01-263-5966

Item Description:

Circuit Breaker

59250126359660PB
CIICHCCESDPMICCriticalityENAC
UBA0
Part NumberISCRNVCRNCCHCCMSDSSADC
B21-4-4.00a-02-3161CA

Characteristics Data of NSN 5925-01-263-5966, 5925012635966

MRCCriteriaCharacteristic
AAQLBODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
ADATBODY WIDTH1.294 INCHES MINIMUM AND 1.314 INCHES MAXIMUM
ADTVCASE MATERIALPLASTIC
AFJNFRAGILITY FACTORMODERATELY RUGGED
AKPXPOLE QUANTITY2
AXHRMOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
CMLPTHREAD QUANTITY PER INCH32
CPLMMAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE4.0 AMPERES AC ALL LOCATIONS AND 4.0 AMPERES DC ALL LOCATIONS
CPRGMAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC ALL LOCATIONS AND 1000.0 DC ALL LOCATIONS
CPRLTRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
CPRQRESET METHODMANUAL
CPRRMAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
CPRWACTUATOR FUNCTIONTRIP-RESET
CQJXNOMINAL THREAD SIZE0.375 INCHES
CQXFINCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDSHOCK RESISTANT AND VIBRATION RESISTANT
FREQFREQUENCY IN HERTZ50.0 ALL LOCATIONS OR 60.0 ALL LOCATIONS
THSDTHREAD SERIES DESIGNATORUNEF
ABXDBUSHING LENGTH0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
ADAQBODY LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
AEBPCENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.095 INCHES MINIMUM AND 1.155 INCHES MAXIMUM
AEBQCENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
AJWXMOUNTING SURFACE TO TERMINAL END DISTANCE1.930 INCHES MINIMUM AND 1.990 INCHES MAXIMUM
BBRGSTORAGE TYPEGENERAL PURPOSE WAREHOUSE
BBRJSPECIAL HANDLING FEATUREMAGNETIC
CPRFOPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS AND 50.0 DC ALL LOCATIONS
CPRHCIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
CPRJTRIP RELEASE METHODMAGNETIC ALL LOCATIONS
CPRNULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT135.0 ALL LOCATIONS
CPRTMANUAL ACTUATOR TYPE AND QUANTITY1 PUSH-PULL
CPRXACTUATOR POSITION DESIGNATIONBETWEEN POLE ONE AND TWO
CPSMINTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
CQWNTRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT1.000 MINIMUM AT 200 PCT ALL LOCATIONS AND 15.000 MAXIMUM AT 200 PCT ALL LOCATIONS
PKWTUNPACKAGED UNIT WEIGHT2.400 OUNCES
TTQYTERMINAL TYPE AND QUANTITY4 TAB, SOLDER LUG

  Corresponding National Stock Number to B21-4-4.00A-02-31


Semiconductor's Certifications and Memberships
The only independent
distributor with a
NO CHINA SOURCING Pledge
  • All parts are stocked in the USA.
  • All parts are shipped from the USA.
  • All shipments must comply with U.S.A export laws.
  • No exceptions.
Fallen Heroes Found

“We Proudly Support Intrepid Fallen Heroes Fund that serves United States Military Personal experiencing the Invisible Wounds of War : Traumatic Brain Injury (TBI) and Post Traumatic Stress (PTS). Please visit website (www.fallenheroesfund.org) and help in their valiant effort”.

Thank You for Visiting.

We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.

Request for Quote

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.