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Part Number:
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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
00000 ORDNANCE CORPS

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CYAU SCREW MATERIAL STEEL COMP 410 OR STEEL COMP 416 OR STEEL COMP 416SE
CYAU SCREW MATERIAL STEEL COMP 410 OR STEEL COMP 416 OR STEEL COMP 416SE
ABQZ INTERNAL DRIVE STYLE SLOT
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763, COND A, COLD FINISHED FED SPEC ALL MATERIAL RESPONSES
AASL HEAD DIAMETER 0.308 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
CYBA SCREW SURFACE TREATMENT PASSIVATE
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
AASK HEAD STYLE FLAT COUNTERSUNK
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
CRSQ COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
AASB FASTENER LENGTH 0.438 INCHES NOMINAL
ZZZT NONDEFINITIVE SPEC/STD DATA 2 STYLE AND I TYPE
AASA THREAD LENGTH 0.338 INCHES MINIMUM
CMLP THREAD QUANTITY PER INCH 32

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