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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
92215 ALCOA GLOBAL FASTENERS INC. DBA ALCO

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
AATC EXTENDED WASHER DIAMETER 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
AAZH HEAD MINOR DIAMETER 0.437 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AATD EXTENDED WASHER THICKNESS 0.091 INCHES NOMINAL
AASK HEAD STYLE SPLINE EXTENDED WASHER
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-N-290,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FEAT SPECIAL FEATURES DRY FILM LUB,MIL-L-46010,TY 1
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.388 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
CRHC HOLE CONFIGURATION STYLE DOUBLE HEXAGON LONGITUDINAL HOLE
AASB FASTENER LENGTH 0.810 INCHES NOMINAL
ASXK HOLE QUANTITY 4
BQDM HOLE TYPE DRILLED
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
AASA THREAD LENGTH 0.751 INCHES NOMINAL
SFTT SURFACE TREATMENT NICKEL OVERALL
SPCL SPECIAL TEST FEATURES EMBRITTLEMENT RELIEF,BAKE 23 HRS, 375 +/- 25 DEG

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