Part Number
Part Number:
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.
CAGE Information
| Code |
Company |
| 98230 |
NATIONAL SECURITY AGENCY |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CQHQ |
MINIMUM YIELD STRENGTH |
30000 POUNDS PER SQUARE INCH |
| TEST |
TEST DATA DOCUMENT |
98230-ONO09102 DRAWING |
| AASL |
HEAD DIAMETER |
0.124 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.086 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AASA |
THREAD LENGTH |
0.095 INCHES MAXIMUM |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.062 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.265 INCHES MAXIMUM |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.031 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CMLP |
THREAD QUANTITY PER INCH |
56 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.141 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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