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 |
---|---|
02310 | PATTONAIR USA INC UNISEAL DIV |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
AAWC | FIRST DIAMETER FROM HEAD | 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
ABQJ | POINT STYLE | FLAT |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASU | HEAD HEIGHT | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR NICKEL ALLOY OVERALL |
AASB | FASTENER LENGTH | 0.735 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASL | HEAD DIAMETER | 0.228 INCHES MINIMUM AND 0.238 INCHES MAXIMUM |
AASK | HEAD STYLE | PAN |
CMLP | THREAD QUANTITY PER INCH | 40 |
AASA | THREAD LENGTH | 0.220 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |