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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , EXTERNALLY RELIEVED BODY

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUTS FOR THREAD RELIEF). IT IS NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND HAS A HEAD WHICH IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, INTERNAL WRENCHING AND THUMBSCREW. SEE ALSO SCREW, EXTERNALLY RELIEVED BODY.

CAGE Information

Code Company
80064 NAVAL SHIP SYSTEMS COMMAND

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.625 INCHES
AAWE THIRD DIAMETER FROM HEAD 0.480 INCHES NOMINAL
AAWC FIRST DIAMETER FROM HEAD 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM
AASU HEAD HEIGHT 0.375 INCHES NOMINAL
AAWD SECOND DIAMETER FROM HEAD 0.625 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.750 INCHES NOMINAL
AASA THREAD LENGTH 0.670 INCHES NOMINAL
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 3
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASB FASTENER LENGTH 3.750 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
AASK HEAD STYLE HEXAGON
MATT MATERIAL NICKEL ALLOY K-500 OVERALL
CMLP THREAD QUANTITY PER INCH 11
AATB WIDTH BETWEEN FLATS 1.120 INCHES NOMINAL
AAWK DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER 3.080 INCHES NOMINAL
AAWJ DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 2.810 INCHES NOMINAL

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