| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI/SAE ASSN STD 1ST MATERIAL RESPONSE OVERALL OR 66 FED STD 3RD MATERIAL RESPONSE OVERALL OR 66 FED STD 2ND MATERIAL RESPONSE OVERALL OR 66 FED STD 1ST MATERIAL RESPONSE OVERALL OR AISI/SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AISI/SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL OR QQ-S-624,FS 9940 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AASK |
HEAD STYLE |
UNDERCUT HEXAGON |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| AAJD |
THREAD CLASS |
3A |
| THSD |
THREAD SERIES DESIGNATOR |
UNS |
| MATT |
MATERIAL |
STEEL COMP 8640 OVERALL OR STEEL COMP 5145 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
14 |
| AAUM |
LOCKING FEATURE |
DISTORTIONS BEARING SURFACE OF HEAD |
| AATB |
WIDTH BETWEEN FLATS |
1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
6.969 INCHES MINIMUM AND 7.031 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
1.000 INCHES |
| AASU |
HEAD HEIGHT |
0.562 INCHES MINIMUM AND 0.582 INCHES MAXIMUM |