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
Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
777562 |
18894 |
A |
3 |
2 |
2 |
ME |
|
|
CAGE Information
Code |
Company |
18894 |
AIR ARMAMENT CENTER/ EN |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
AAWC |
FIRST DIAMETER FROM HEAD |
0.195 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
AASK |
HEAD STYLE |
FILLISTER |
AASA |
THREAD LENGTH |
0.550 INCHES NOMINAL |
AAJD |
THREAD CLASS |
3A |
AASL |
HEAD DIAMETER |
0.199 INCHES NOMINAL |
CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.250 INCHES NOMINAL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AASB |
FASTENER LENGTH |
0.920 INCHES NOMINAL |
ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
ASDB |
WIDTH ACROSS FLATS |
0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
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