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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , INTERNAL WRENCHING

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT IS DESIGNED WITH AN INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE FOR USE WITH AN INTERNAL DRIVER. THE HEAD IS BEVELED (CONICAL) OR CYLINDRICAL IN SHAPE. ITEMS WITH CYLINDRICAL SHAPED HEADS MUST HAVE AN EXTERNALLY RELIEVED BODY. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO SCREW, CAP, SOCKET HEAD. EXCLUDES SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; AND SCREW, MACHINE.

CAGE Information

Code Company
78062 DOVER ENGINEERED SYSTEMS, INC. DBA S

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
THSD THREAD SERIES DESIGNATOR UNJF
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AASB FASTENER LENGTH 5.188 INCHES NOMINAL
AAJD THREAD CLASS 3A
AASK HEAD STYLE BEVEL-CONICAL
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 0.787 INCHES MINIMUM
AAUB HOLE DIAMETER 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 4140 OVERALL AND STEEL COMP 8740 OVERALL AND STEEL COMP 4340 OVERALL AND STEEL COMP 8735 OVERALL
AASL HEAD DIAMETER 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
CQFM HARDNESS RATING 34.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
ASDB WIDTH ACROSS FLATS 0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
ASXK HOLE QUANTITY 4
AASU HEAD HEIGHT 0.438 INCHES NOMINAL
ABQZ INTERNAL DRIVE STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
BQDM HOLE TYPE DRILLED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
CMLP THREAD QUANTITY PER INCH 20
CRHC HOLE CONFIGURATION STYLE ROUND INTERNAL HEXAGON

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