| AASU |
HEAD HEIGHT |
0.150 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.688 INCHES NOMINAL |
| AAVK |
SHOULDER LENGTH |
3.955 INCHES MINIMUM AND 3.960 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
4.395 INCHES MINIMUM AND 4.400 INCHES MAXIMUM |
| AAXC |
CONCENTRIC HOLE DIAMETER |
0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-I-6868 SPECIFICATION |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASA |
THREAD LENGTH |
0.350 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAVH |
SHOULDER DIAMETER |
0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| MATT |
MATERIAL |
STEEL COMP 410 OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.217 INCHES MINIMUM FIRST HOLE AND 4.222 INCHES MAXIMUM FIRST HOLE |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| STYL |
STYLE DESIGNATOR |
CONCENTRIC HOLE UNTHREADED |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AAWX |
CONCENTRIC HOLE DEPTH |
3.656 INCHES MINIMUM AND 3.781 INCHES MAXIMUM |