National Stock Number (NSN) Output Data
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.
Reference/Part Number
Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
03P215029-1 |
98738 |
E |
3 |
2 |
4 |
KZ |
|
|
CAGE Information
Code |
Company |
98738 |
HERLEY CHICAGO DBA STEWART WARNER EL |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
AAWK |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER |
0.622 INCHES NOMINAL |
ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
AASA |
THREAD LENGTH |
0.578 INCHES NOMINAL |
AASL |
HEAD DIAMETER |
0.281 INCHES NOMINAL |
AAWL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER |
3.832 INCHES NOMINAL |
AASB |
FASTENER LENGTH |
4.400 INCHES MINIMUM AND 4.420 INCHES MAXIMUM |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL OR PAINT OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT CHAMFER |
AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
0.582 INCHES NOMINAL |
CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
4 |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.547 INCHES NOMINAL |
AAJD |
THREAD CLASS |
2A |
AAWE |
THIRD DIAMETER FROM HEAD |
0.187 INCHES NOMINAL |
AAWF |
FOURTH DIAMETER FROM HEAD |
0.144 INCHES NOMINAL |
AAWC |
FIRST DIAMETER FROM HEAD |
0.187 INCHES NOMINAL |
FEAT |
SPECIAL FEATURES |
COLOR RED FED STD 595 NO. 21105 |
AASU |
HEAD HEIGHT |
0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
AAWD |
SECOND DIAMETER FROM HEAD |
0.125 INCHES NOMINAL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
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