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 |
| 80063 |
US ARMY COMMUNICATIONS & ELECTRONICS |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASA |
THREAD LENGTH |
0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL OR OXIDE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AASK |
HEAD STYLE |
FILLISTER |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.074 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.198 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASL |
HEAD DIAMETER |
0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.328 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND QQ-P-416 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.060 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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