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 |
---|---|
81413 | BAE SYSTEMS INFORMATION AND ELECTRON |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
MATT | MATERIAL | STEEL COMP 314 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 303F OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 324 OVERALL OR STEEL COMP 323 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 385 OVERALL |
AASL | HEAD DIAMETER | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.187 INCHES MINIMUM AND 0.207 INCHES MAXIMUM |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
AASB | FASTENER LENGTH | 0.407 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AAWC | FIRST DIAMETER FROM HEAD | 0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CRSQ | COUNTERSINK ANGLE | 81.0 DEGREES NOMINAL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 40 |