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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 ASTM A-582 CL303 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AASB FASTENER LENGTH 1.352 INCHES NOMINAL
AAJD THREAD CLASS 3A
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
AATB WIDTH BETWEEN FLATS 0.500 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
AASU HEAD HEIGHT 0.168 INCHES NOMINAL
MATT MATERIAL STEEL COMP 303MA OVERALL OR STEEL COMP 303PB OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
AASA THREAD LENGTH 0.237 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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