Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , EXTERNALLY RELIEVED BODY
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 |
| 98738 |
HERLEY CHICAGO DBA STEWART WARNER EL |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.430 INCHES NOMINAL |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.430 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AASB |
FASTENER LENGTH |
0.680 INCHES NOMINAL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| AASK |
HEAD STYLE |
PAN |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
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