| ABPT |
SECOND STEP DIAMETER |
0.197 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| ABPR |
FIRST STEP DIAMETER |
0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-624 COMP 4140 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6395 COMP 4140 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
33.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| ABPB |
UNDER HEAD LENGTH |
1.419 INCHES MINIMUM AND 1.421 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
BEVEL |
| ABPU |
SECOND STEP LENGTH |
0.199 INCHES MINIMUM AND 0.241 INCHES MAXIMUM |
| STYL |
STYLE DESIGNATOR |
SHOULDER |
| CRRG |
PIN HEAD DIAMETER |
0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| AAGZ |
FIRST END STYLE |
SQUARE |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES OVERALL |
| ABPS |
FIRST STEP LENGTH |
1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL OVERALL |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE OVERALL |
| FEAT |
SPECIAL FEATURES |
0.078 IN DIA HOLE LOCATED 0.110 IN. FROM HOLE CENTER TO SHANK END |
| HGTH |
HEIGHT |
0.250 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-STD-171 FINISH 5.3.1.2 OR 5.3.2.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL |