NIIN Output Data
NIIN:
NSN:
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
CAGE Information
Code |
Company |
53711 |
NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
AASU |
HEAD HEIGHT |
0.500 INCHES NOMINAL |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
Q-S-763 FED SPEC 13TH MATERIAL RESPONSE OVERALL |
AASK |
HEAD STYLE |
KNURLED NO. 2 |
MATT |
MATERIAL |
STEEL COMP 304 OVERALL |
AAWC |
FIRST DIAMETER FROM HEAD |
0.140 INCHES NOMINAL |
AASB |
FASTENER LENGTH |
1.380 INCHES NOMINAL |
CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.440 INCHES NOMINAL |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AAJD |
THREAD CLASS |
2A |
AASA |
THREAD LENGTH |
0.380 INCHES NOMINAL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
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