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Part Number:
NSN:
NIIN:
Item Name:
SCREW , MACHINE

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL 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. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.

CAGE Information

Code Company
77445 UNITED TECHNOLOGIES CORPORATION DBA

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
FEAT SPECIAL FEATURES HOLE DRILLED INTO TOP OF HEAD ALONG LONGITUDINAL AXIS 0.109 IN. NOM DIA TO A DEPTH OF 0.110 IN. MIN AND 0.150 IN. MAX
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
ABQZ INTERNAL DRIVE STYLE SLOT
THSD THREAD SERIES DESIGNATOR UNJF
CYBA SCREW SURFACE TREATMENT NICKEL AND CADMIUM
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.303 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
AASU HEAD HEIGHT 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
AASB FASTENER LENGTH 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CYAU SCREW MATERIAL STEEL COMP 601
AASK HEAD STYLE HEXAGON
CYBE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2416 ASSN STD ALL TREATMENT RESPONSES
CQFM HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
CMLP THREAD QUANTITY PER INCH 32

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