| AASU |
HEAD HEIGHT |
0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AATC |
EXTENDED WASHER DIAMETER |
1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
2.500 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A29 GR 8640 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| AATD |
EXTENDED WASHER THICKNESS |
0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.745 INCHES MINIMUM AND 0.753 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASB |
FASTENER LENGTH |
4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
10 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON EXTENDED WASHER |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8640 OVERALL |