| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.470 INCHES MINIMUM |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.156 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON FLATS |
| AAUB |
HOLE DIAMETER |
0.070 INCHES NOMINAL |
| ASXK |
HOLE QUANTITY |
1 |
| BQDM |
HOLE TYPE |
DRILLED |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.429 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.390 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
