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

Buy ANSI B18.2.1 Part of General Services Administration Inc with NSN 5305-00-402-5749

Part number ANSI B18.2.1 - Screw Lag with NSN 5305004025749 under 5305 Screws is now available and ready for immediate shipping. Sourced from General Services Administration Inc, you can easily order part number ANSI B18.2.1 at a competitive price. To get a quick quote for this part, just fill out the form.

Please make sure to fill out the form below as carefully and completely as possible. Pay attention to the asterisk (*) marked fields, as your response will determine the majority of your quote. A sales representative will contact you within 15 of receiving your request.

Mgf Part Number :ANSI B18.2.1
Alternate P/N: ANSIB1821
Item Name : screw lag
NIIN : 004025749
CAGE Code : 80244
INC Code : 36433
Country : USA
NCB Code : 00
FSG : 53 Hardware and Abrasives

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Aerospace Aces, owned and operated by ASAP Semiconductor, is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited distributor of General Services Administration Inc obsolete and hard-to-find parts. We are the only independent distributor with a No China Sourcing Pledge, so you can trust us to help you get the highest quality parts and NSNs.

The NSN, or National Stock Number, is a 13-digit serial number assigned to items of the federal supply chain by the Defense Logistics Agency (DLA) and used by all members of the North Atlantic Treaty Organization (NATO) and the United States Department of Defense. If you have any questions about NSN 5305004025749, or would like to expedite your quote, please feel free to call us at our toll-free number, +1-714-705-4780, or email us at sales@aerospaceaces.com.


NSN Information for Part Number ANSI B18.2.1 with NSN 5305-00-402-5749, 5305004025749

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-402-5749

Item Description:

Screw Lag

53050040257490N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
Ansi B18.2.1613

Characteristics Data of NSN 5305-00-402-5749, 5305004025749

MRCCriteriaCharacteristic
AASBFASTENER LENGTH3.500 INCHES NOMINAL
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.237 INCHES MINIMUM FIRST SHOULDER AND 0.260 INCHES MAXIMUM FIRST SHOULDER
AATXSHOULDER LENGTH0.094 INCHES MINIMUM FIRST SHOULDER
CQBCMINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING60.0 ROCKWELL B MINIMUM OVERALL
CRGFNONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
CTYFNONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTZINC OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

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