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

Buy LK21091-4004 5305-00-445-1096 By Torkon Fastener Corp - Get an Instant Quote

Mfg Part Number: LK21091-4004
Alternate P/N: LK210914004
CAGE Code : 26304
Manufacturer: Torkon Fastener Corp
Item Name : Screw Cap Socket He

Purchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts LK21091-4004 and components pertaining to the civil aviation, defense, aerospace, industrial, and electronic markets. 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. As such, we have an inventory of more than two billion new and obsolete parts, among which is a vast and diverse array of LK21091-4004 parts and much more. This includes items such as Screw Cap Socket He LK21091-4004 from manufacturer Torkon Fastener Corp 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.
  • 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 LK21091-4004 parts. This means you can quickly sort through National Stock Numbers such as 5305004451096 and find parts from quality manufacturers like Torkon Fastener Corp 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.

NSN Information for Part Number LK21091-4004 with NSN 5305-00-445-1096, 5305004451096

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-445-1096

Item Description:

Screw Cap Socket He

53050044510960N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
Lk21091-4004295

Characteristics Data of NSN 5305-00-445-1096, 5305004451096

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
AASBFASTENER LENGTH0.704 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLECROSS RECESS TYPE 1
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
CMLPTHREAD QUANTITY PER INCH28
CQBCMINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATTMATERIALSTEEL COMP 8630 OVERALL OR STEEL COMP 4037 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNF

  Related NSN Parts of LK21091-4004

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.