Part Number
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.
CAGE Information
Code | Company |
---|---|
80063 | US ARMY COMMUNICATIONS & ELECTRONICS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AASU | HEAD HEIGHT | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 TY 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
AASB | FASTENER LENGTH | 0.562 INCHES NOMINAL |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.265 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
AASL | HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
FEAT | SPECIAL FEATURES | CONE POINT 90 DEG OF ANGLE |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASK | HEAD STYLE | WATERTIGHT |
AAJD | THREAD CLASS | 2A |
MATT | MATERIAL | COPPER ALLOY 360 OVERALL |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.093 INCHES NOMINAL |
AAWC | FIRST DIAMETER FROM HEAD | 0.220 INCHES NOMINAL |
AASA | THREAD LENGTH | 0.172 INCHES MINIMUM |
AAWD | SECOND DIAMETER FROM HEAD | 0.206 INCHES NOMINAL |
SFTT | SURFACE TREATMENT | NICKEL OVERALL |