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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
80249 BAE SYSTEMS INFORMATION AND ELECTRON

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.312 INCHES NOMINAL
ABQZ INTERNAL DRIVE STYLE SLOT
CYBA SCREW SURFACE TREATMENT NICKEL
AASB FASTENER LENGTH 0.312 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.099 INCHES
AASU HEAD HEIGHT 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
AASK HEAD STYLE BINDING
AAJF THREAD DIRECTION RIGHT-HAND
AASL HEAD DIAMETER 0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
CYAU SCREW MATERIAL COPPER ALLOY
THSD THREAD SERIES DESIGNATOR UNF
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
AAJD THREAD CLASS 2A
CMLP THREAD QUANTITY PER INCH 56

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