| MRC |
Requirement Statement |
Characteristics |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| ANEE |
GRIP LENGTH |
0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.784 INCHES MINIMUM AND 0.834 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4340 OVERALL |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASB |
FASTENER LENGTH |
0.972 INCHES MINIMUM AND 1.002 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
