| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-631 FED SPEC 5TH MATERIAL RESPONSE OVERALL OR QQ-S-633 FED SPEC 7TH MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OVERALL OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-S-630 FED SPEC 4TH MATERIAL RESPONSE OVERALL OR QQ-S-630 FS1018 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-633 FED SPEC 8TH MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
1A |
| AASA |
THREAD LENGTH |
0.516 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| ABQJ |
POINT STYLE |
DOG |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AASK |
HEAD STYLE |
SQUARE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATB |
WIDTH BETWEEN FLATS |
0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| AAUY |
POINT LENGTH |
0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAVA |
POINT DIAMETER |
0.180 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |