| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-C-320,CLASS 2C FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| SFTT |
SURFACE TREATMENT |
CADMIUM GRIP |
| SFTT |
SURFACE TREATMENT |
CHROMIUM THREADS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE GRIP OR QQ-P-416,TYPE 3,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE GRIP |
| AAJD |
THREAD CLASS |
3A |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP 4340 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL |
| AASA |
THREAD LENGTH |
1.230 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM 322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AST-322 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR ASTM 322 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR ASTM 331 ASSN STD 4TH MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASU |
HEAD HEIGHT |
0.620 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| AHYM |
NOMINAL THREAD DIAMETER |
1.000 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
1.390 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
4.488 INCHES NOMINAL |