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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE

Definition:

AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.

CAGE Information

Code Company
95201 NAPCO INTERNATIONAL LLC

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.750 INCHES MINIMUM
AASA THREAD LENGTH 0.750 INCHES MINIMUM
CQHQ MINIMUM YIELD STRENGTH 105000 POUNDS PER SQUARE INCH
CBBL FEATURES PROVIDED FINISHED HEAD
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.031 INCHES NOMINAL FIRST HOLE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 30.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATT MATERIAL STEEL COMP 3135 OVERALL
AASK HEAD STYLE DEE CHAMFER
AASB FASTENER LENGTH 2.156 INCHES NOMINAL
AASU HEAD HEIGHT 0.218 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNF
AAWB SHANK UNTHREADED HOLE DIAMETER 0.109 INCHES NOMINAL FIRST HOLE
AASL HEAD DIAMETER 0.687 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
CMLP THREAD QUANTITY PER INCH 20
AASY DISTANCE FROM CENTERLINE TO FLAT 0.218 INCHES NOMINAL

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