AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited

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



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

Instant Quote for NSN Part NAS498 of National Aerospace Standards

Mfg Part Number: NAS498

NIIN : 006881423

CAGE Code : 80205

Item Name : Screw Close Toleran 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. Aerospace 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 an unparalleled selection of NSN parts and much more. This includes items such as Screw Close Toleran NAS498 from manufacturer National Aerospace Standards and many more, all of which are available with short lead times and competitive prices. For NSN parts and part numbers like NAS498, you won’t find a more inclusive source than Aerospace 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.
  • 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.

  • 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 5305006881423 and find parts like part number NAS498 from quality manufacturers like National Aerospace Standards 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 5305-00-688-1423, 5305006881423

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.756 INCHES MINIMUM AND 0.823 INCHES MAXIMUM
AASBFASTENER LENGTH2.577 INCHES MINIMUM AND 2.624 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER1.007 INCHES MINIMUM AND 1.017 INCHES MAXIMUM
AAURGRIP DIAMETER0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLECROSS RECESS TYPE 1
AHYMNOMINAL THREAD DIAMETER0.500 INCHES
ANEEGRIP LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH20
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATTMATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNF
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 5TH MATE
ZZZKSPECIFICATION/STANDARD DATA80205-NAS338 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

  Related NSN Part List to NAS498

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

“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.