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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
CMLP THREAD QUANTITY PER INCH 24
CRHC HOLE CONFIGURATION STYLE ROUND LONGITUDINAL HOLE
AASA THREAD LENGTH 0.562 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AASK HEAD STYLE BEVEL-CONICAL
AASL HEAD DIAMETER 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.312 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AAUB HOLE DIAMETER 0.055 INCHES NOMINAL
ASXK HOLE QUANTITY 4
ABQZ INTERNAL DRIVE STYLE HEXAGON
ASDB WIDTH ACROSS FLATS 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
BQDM HOLE TYPE DRILLED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES
AASB FASTENER LENGTH 1.188 INCHES NOMINAL

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