Database of Bolt Close Tolerance Under NSN (5306002811645) 5306-00-281-1645 Parts

Item Name Bolt Close Tolerance
Federal Supply Group (FSG) Hardware and Abrasives
Federal Supply Class (FSC) 5306 Bolts
National Item Identification Number (NIIN) 00-281-1645 (002811645)
NCB Code USA (00)
Manufacturer Military Specifications, Aeronautical Standards Group
Part Number Manufacturer Item Name RFQ
B6812 military specifications bolt close tolerance RFQ
AN175C21 aeronautical standards group bolt close tolerance RFQ

Technical Characteristics of NSN 5306002811645

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.531 INCHES MINIMUM
AASBFASTENER LENGTH2.279 INCHES NOMINAL
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
AAURGRIP DIAMETER0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
AAWBSHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
AHYMNOMINAL THREAD DIAMETER0.312 INCHES
ANEEGRIP LENGTH1.688 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH24
CQBCMINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRZSDISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.047 INCHES NOMINAL FIRST HOLE
CSYMSURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
CSYMSURFACE FINISH63.0 MICROINCHES GRIP
MATTMATERIALSTEEL COMP 431 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
THSDTHREAD SERIES DESIGNATORUNF

Relevant Components for NSN - 5306-00-281-1645, 5306002811645
5320-01-311-2514 (5320013112514) 5365-01-606-7886 (5365016067886) 5310-01-687-5946 (5310016875946) 5331-01-345-2325 (5331013452325)
5331-01-137-6352 (5331011376352) 5340-01-677-5187 (5340016775187) 5310-01-215-1121 (5310012151121) 5330-01-558-9303 (5330015589303)
5320-01-007-1870 (5320010071870) 5365-00-542-0989 (5365005420989) 5305-01-279-0723 (5305012790723) 5315-01-181-8363 (5315011818363)

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