| SFTT |
SURFACE TREATMENT |
CADMIUM SLEEVE AND CHROMATE SLEEVE |
| ABAF |
EXPANSION DEVICE |
SERRATED STEM-TYPE W |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| CQBC |
MINIMUM TENSILE STRENGTH |
112000 POUNDS PER SQUARE INCH |
| AASK |
HEAD STYLE |
FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| AAZF |
SHANK STYLE |
SELF-PLUGGING MECHANICALLY LOCKED STEM |
| CQFM |
HARDNESS RATING |
326.0 KNOOP MINIMUM SLEEVE AND 466.0 KNOOP MAXIMUM SLEEVE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| CQFM |
HARDNESS RATING |
48.0 ROCKWELL C MINIMUM STEM AND 53.0 ROCKWELL C MAXIMUM STEM |
| SFTT |
SURFACE TREATMENT |
CADMIUM STEM |
| MATT |
MATERIAL |
STEEL COMP 4340 OVERALL OR STEEL COMP 4150 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 4027 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8640 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8620 OVERALL OR STEEL COMP 8615 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4815 OVERALL OR STEEL COMP 4620 OVERALL OR STEEL COMP 8740 OVERALL |
| FEAT |
SPECIAL FEATURES |
"U" DENOTES SINGLE ACTION FASTENERS INSTALLED WITH A SINGLE ACTION TOOL |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAZE |
SHANK DIAMETER |
0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AAZG |
HEAD MAJOR DIAMETER |
0.634 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.344 INCHES MINIMUM AND 0.407 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |