| CQBC |
MINIMUM TENSILE STRENGTH |
165000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-I-6868 SPECIFICATION |
| CQFM |
HARDNESS RATING |
37.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
2.715 INCHES MINIMUM AND 2.745 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.388 INCHES MINIMUM AND 0.418 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.3110 INCHES MINIMUM FIRST SHOULDER AND 0.3120 INCHES MAXIMUM FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.561 INCHES NOMINAL FIRST HOLE |
| AATX |
SHOULDER LENGTH |
2.327 INCHES NOMINAL FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |