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 |
| 10001 |
NAVAIR AND NAVSEA MANAGED ORIGINAL D |
| 80064 |
NAVAL SHIP SYSTEMS COMMAND |
| 82005 |
ALLARD NAZARIAN GROUP INC. DBA GRANI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
2.843 INCHES MINIMUM AND 2.846 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| FEAT |
SPECIAL FEATURES |
THREAD RELIEF 0.460 IN. MIN 0.465 IN. MAX DIA,0.187 IN. WIDE |
| AASL |
HEAD DIAMETER |
0.937 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.681 INCHES MINIMUM AND 0.686 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.562 INCHES |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.563 INCHES MINIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
2.000 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
3.593 INCHES MINIMUM AND 3.596 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
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