| MRC |
Requirement Statement |
Characteristics |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASA |
THREAD LENGTH |
0.433 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| ANEE |
GRIP LENGTH |
1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASU |
HEAD HEIGHT |
0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAUR |
GRIP DIAMETER |
0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
76823-51B464 MANUFACTURERS STANDARD |
| AASB |
FASTENER LENGTH |
1.818 INCHES MINIMUM AND 1.859 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
