| AASA |
THREAD LENGTH |
2.188 INCHES MINIMUM AND 2.281 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| ANEE |
GRIP LENGTH |
0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
CROWNED HEXAGON |
| ASXK |
HOLE QUANTITY |
1 |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON FLATS |
| AAUB |
HOLE DIAMETER |
0.046 INCHES NOMINAL |
| BQDM |
HOLE TYPE |
DRILLED |
| FEAT |
SPECIAL FEATURES |
SHANK END SLOTTED 0.061 IN. MIN 0.077 IN. MAX WIDE BY 0.097 IN. MIN,0.130 IN. MAX LG |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASU |
HEAD HEIGHT |
0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASB |
FASTENER LENGTH |
2.250 INCHES MINIMUM AND 2.312 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |