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

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


Why Choose Us?

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

Request an Instant Quote for Part 537A-4D-5 of Circor Aerospace Inc with NSN 4820-00-138-3920

Part Number: 537A-4D-5

Alternate P/N: 537A4D5

Manufacturer: Circor Aerospace Inc

CAGE Code : 91816

Here at Internet of NSN, our team supplies and delivers NSN parts such as 537A-4D-5 and Valve Safety Relief from Circor Aerospace Inc as well as other certified producers. Our stock of items includes more than six billion new, old and out of date airline parts, along with parts for the industrial and electronics industry. One of the leading independent suppliers with a strict No China Sourcing vow, Internet of NSN has been earning its reputation as a safe and reliable parts distributor. We value our relationship with our clients which is why we have gone above and beyond in earning our ISO 9001:2015 and AS9120B certifications.

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.

We have many NSN part numbers in our stock, including 4820001383920 and many others. If you are in a quick need to source, we are your best bet on getting that part 537A-4D-5 delivered to you quickly! Simply search our parts directory for the NSN code that you need (you may also search by CAGE code or part number), and once you are able to locate the part, send in that Instant RFQ. An account manager will reach out to you in as little as fifteen minutes to provide you with a same day quote and let you know how quickly we can supply your item(s) for you. Whatever you need, be it electronic semiconductors, batteries, circuit breakers, motherboards, circuit sheets, or others, our team at Internet For NSN has the part(s) that you need.

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

NSN Information for Part Number 537A-4D-5 with NSN 4820-00-138-3920, 4820001383920

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-138-3920

Item Description:

Valve Safety Relief

48200013839200N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
537a-4d-5295

Characteristics Data of NSN 4820-00-138-3920, 4820001383920

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEPOPPET
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN (TUBE) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CMLPTHREAD QUANTITY PER INCH20 1ST END
CQGMMAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE0.437 INCHES 1ST END
CSDCOPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
MATTMATERIALALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATTMATERIALALUMINUM ALLOY 2024 BODY
MATTMATERIALALUMINUM ALLOY 2024 SEAT
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MEDAMEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
SFTTSURFACE TREATMENTANODIZE
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORUNJF 1ST END

  Corresponding National Stock Number to 537A-4D-5


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.
Intrepid Fallen Heroes Fund

“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.