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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
71790 CURTISS-WRIGHT CORP AIRPLANE DIV

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AASK HEAD STYLE FILLISTER
ABQZ INTERNAL DRIVE STYLE TORQUE
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AASA THREAD LENGTH 0.719 INCHES MAXIMUM
CYBE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 25.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
AASU HEAD HEIGHT 0.281 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNF
CQBC MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE
AASL HEAD DIAMETER 0.841 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 20
CYAU SCREW MATERIAL STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740
CYBA SCREW SURFACE TREATMENT CADMIUM

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