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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
SCREW , 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 UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
AN255-6 88044 M 2 2 E XX
JH13061 31435 R 5 9 4 ZF

CAGE Information

Code Company
31435 LUCAS AEROSPACE POWER EQUIPMENT CORP
88044 AERONAUTICAL STANDARDS GROUP DEPT OF

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASL HEAD DIAMETER 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
AASL HEAD DIAMETER 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
AASA THREAD LENGTH 0.156 INCHES MINIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL OR ZINC OVERALL
AAWC FIRST DIAMETER FROM HEAD 0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.281 INCHES NOMINAL
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE ROUND
MATT MATERIAL STEEL COMP 1020 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1025 OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASB FASTENER LENGTH 0.438 INCHES NOMINAL
AASU HEAD HEIGHT 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32
AHYM NOMINAL THREAD DIAMETER 0.138 INCHES

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JH13061 , JH13061 , 5305-00-151-3168 , 5305001513168 , 001513168 , AN255-6 , JH13061 ,