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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
K660028-11 84955 A 3 2 X XX
K660028-11 21125 A 5 2 5 ZZ

CAGE Information

Code Company
21125 K-GAR CORP
84955 KAMAN AEROSPACE CORPORATION DBA HELI

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
MATT MATERIAL STEEL COMP 4130 OVERALL
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.062 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
AASB FASTENER LENGTH 0.750 INCHES NOMINAL
ABQZ INTERNAL DRIVE STYLE SLOT
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 0.623 INCHES MINIMUM FIRST HOLE AND 0.625 INCHES MAXIMUM FIRST HOLE
AAJD THREAD CLASS 3A
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
AASA THREAD LENGTH 0.688 INCHES MINIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
THSD THREAD SERIES DESIGNATOR UNF
CQFM HARDNESS RATING 34.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.170 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 150000 POUNDS PER SQUARE INCH
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AAWC FIRST DIAMETER FROM HEAD 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
AAWB SHANK UNTHREADED HOLE DIAMETER 0.082 INCHES NOMINAL FIRST HOLE
AASL HEAD DIAMETER 0.750 INCHES NOMINAL

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K660028-11 , K66002811 , 5305-00-814-6913 , 5305008146913 , 008146913 , K660028-11 , K660028-11 ,