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 |
| DC420094H01 |
18323 |
A |
3 |
2 |
A |
ZZ |
|
|
CAGE Information
| Code |
Company |
| 18323 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| ASDB |
WIDTH ACROSS FLATS |
0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.400 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AASA |
THREAD LENGTH |
0.400 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASU |
HEAD HEIGHT |
0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.120 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| FEAT |
SPECIAL FEATURES |
HEAD MAY BE KNURLED AT MANUFACTERER OPTION |
| AASL |
HEAD DIAMETER |
0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASB |
FASTENER LENGTH |
1.000 INCHES NOMINAL |
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