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Part Number

Part Number:
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Item Name:
BOLT , INTERNALLY RELIEVED BODY

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE EXTERNAL THREADED PORTION IS OF ONE NOMINAL DIAMETER. IT HAS A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE WHICH MAY EXTEND A PART OR THE FULL LENGTH OF THE BOLT. THE CONCENTRIC HOLE ALONG THE CENTERLINE MAY BE COUNTERBORED AND/OR INTERNALLY THREADED AT THE HEAD END OR THE BOLT END. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN BY AN EXTERNAL AND/OR INTERNAL DRIVER. FOR ITEMS HAVING A HOLE(S) PERPENDICULAR TO THE AXIS WHICH MEET THE CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE, SEE BOLT, FLUID PASSAGE.

CAGE Information

Code Company
73992 TUTHILL CORP HANSEN COUPLING DIV

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQFM HARDNESS RATING 25.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
BZRR THREAD SERIES UNF CONCENTRIC HOLE
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.969 INCHES NOMINAL FIRST HOLE
THSD THREAD SERIES DESIGNATOR UNS
FEAT SPECIAL FEATURES EQUALLY SPACED RADIAL SERRATIONS ON HEAD BEARING SURFACE
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 3.375 INCHES MAXIMUM
CQJX NOMINAL THREAD SIZE 0.250 INCHES CONCENTRIC HOLE
AATB WIDTH BETWEEN FLATS 1.062 INCHES NOMINAL
CFSG NONSTANDARD THREAD PITCH DIAMETER +0.6960/+0.7010 INCHES
AASU HEAD HEIGHT 0.312 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
AASB FASTENER LENGTH 3.375 INCHES NOMINAL
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
AAEL THREADS PER INCH 11 CONCENTRIC HOLE
CMLP THREAD QUANTITY PER INCH 11
AAWB SHANK UNTHREADED HOLE DIAMETER 0.125 INCHES NOMINAL FIRST HOLE
STYL STYLE DESIGNATOR CONCENTRIC HOLE UNTHREADED
AAWX CONCENTRIC HOLE DEPTH 2.062 INCHES NOMINAL
AAXC CONCENTRIC HOLE DIAMETER 0.250 INCHES NOMINAL

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