| AAWY |
COUNTERBORE DIAMETER |
0.920 INCHES MINIMUM AND 0.960 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
1.125 INCHES |
| AAJD |
THREAD CLASS |
3A |
| AATB |
WIDTH BETWEEN FLATS |
1.308 INCHES MINIMUM AND 1.318 INCHES MAXIMUM |
| AAVH |
SHOULDER DIAMETER |
1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAWX |
CONCENTRIC HOLE DEPTH |
4.230 INCHES MINIMUM AND 4.270 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI E4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATC |
EXTENDED WASHER DIAMETER |
2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL |
| AAXC |
CONCENTRIC HOLE DIAMETER |
0.624 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
1.778 INCHES MINIMUM AND 1.818 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| STYL |
STYLE DESIGNATOR |
COUNTERBORE UNTHREADED |
| AASU |
HEAD HEIGHT |
1.145 INCHES MINIMUM AND 1.165 INCHES MAXIMUM |
| AAVK |
SHOULDER LENGTH |
3.502 INCHES MINIMUM AND 3.522 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
5.300 INCHES MINIMUM AND 5.320 INCHES MAXIMUM |
| AAWZ |
COUNTERBORE DEPTH |
0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |