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 |
---|---|
22915 | NORTHROP GRUMMAN CORP ELECTRONIC SYS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
CMLP | THREAD QUANTITY PER INCH | 24 |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
FEAT | SPECIAL FEATURES | KNURLED HEAD |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT CHAMFER |
AAWE | THIRD DIAMETER FROM HEAD | 0.184 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
MATT | MATERIAL | STEEL COMP 316 OVERALL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
AASB | FASTENER LENGTH | 6.200 INCHES NOMINAL |
AASA | THREAD LENGTH | 0.620 INCHES NOMINAL |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.352 INCHES MINIMUM AND 0.369 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAWD | SECOND DIAMETER FROM HEAD | 0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM |
AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 5.211 INCHES MINIMUM AND 5.235 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AAWC | FIRST DIAMETER FROM HEAD | 0.184 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |