AS9120B, ISO 9001:2015, and FAA AC 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

Receive a Quote for NSN Part Boeing Company ST3M454-4LD20 with NSN 5305-00-550-1573

Mfg Part Number: ST3M454-4LD20
Alternate P/N: ST3M4544LD20
CAGE Code : 76301
Manufacturer: Boeing Company
Item Name : Screw Close Toleran

An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. Purchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts and components pertaining to the civil aviation, defense, aerospace, industrial, and electronic markets. As such, we have an inventory of more than two billion new and obsolete parts, among which is a vast and diverse array of NSN parts and much more. This includes items such as Screw Close Toleran ST3M454-4LD20 from manufacturer Boeing Company and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than Purchasing Sphere.

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.
  • 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.

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

Our website offers a number of parametric search capabilities, one of which allows you to search specifically for NSN parts. This means you can quickly sort through National Stock Numbers such as 5305005501573 and find parts from quality manufacturers like Boeing Company and many others. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to all inquiries in 15 minutes or less.

Characteristics Data of NSN 5305-00-550-1573, 5305005501573

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.469 INCHES NOMINAL
AASBFASTENER LENGTH1.719 INCHES NOMINAL
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AAURGRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
AAWBSHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE AND 0.081 INCHES MAXIMUM FIRST HOLE
ABQZINTERNAL DRIVE STYLEHIGH-TORQUE
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ANEEGRIP LENGTH1.250 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH28
CRSQCOUNTERSINK ANGLE100.0 DEGREES NOMINAL
CRZSDISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.583 INCHES MINIMUM FIRST HOLE AND 1.623 INCHES MAXIMUM FIRST HOLE
MATTMATERIALSTEEL CORROSION RESISTING OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF

  RELATED PART LIST of ST3M454-4LD20

Semiconductor's Certifications and Memberships
The only independent
distributor with a
NO CHINA SOURCING Pledge
  • All orders are fulfilled in the USA.
  • All shipments must comply with U.S.A export laws.
  • No exceptions.
Intrepid Fallenheroesfud

“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.