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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHOULDER

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.

CAGE Information

Code Company
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.623 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.380 INCHES MINIMUM FIRST HOLE AND 2.437 INCHES MAXIMUM FIRST HOLE
AAJD THREAD CLASS 3A
CWYB SHOULDER SHAPE ROUND FIRST SHOULDER
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL STEEL COMP XM-13 OVERALL
AAWB SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM FIRST HOLE AND 0.111 INCHES MAXIMUM FIRST HOLE
AATN SHOULDER DIAMETER 0.5302 INCHES MINIMUM FIRST SHOULDER AND 0.5307 INCHES MAXIMUM FIRST SHOULDER
AASB FASTENER LENGTH 2.508 INCHES MINIMUM AND 2.555 INCHES MAXIMUM
AATX SHOULDER LENGTH 1.865 INCHES MINIMUM FIRST SHOULDER AND 1.885 INCHES MAXIMUM FIRST SHOULDER
AASK HEAD STYLE DOUBLE HEXAGON
CMLP THREAD QUANTITY PER INCH 20
AATB WIDTH BETWEEN FLATS 0.752 INCHES MAXIMUM

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