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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
76301 BOEING COMPANY THE DBA BOEING

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL STEEL COMP 4140 OVERALL
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.113 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
AAWC FIRST DIAMETER FROM HEAD 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
AASA THREAD LENGTH 0.700 INCHES MINIMUM AND 0.715 INCHES MAXIMUM
AAJD THREAD CLASS 3A
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
AATB WIDTH BETWEEN FLATS 0.687 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
AASB FASTENER LENGTH 0.813 INCHES NOMINAL

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