| MRC |
Requirement Statement |
Characteristics |
| AASA |
THREAD LENGTH |
0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.392 INCHES MINIMUM AND 1.422 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4130 OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AATX |
SHOULDER LENGTH |
0.817 INCHES MINIMUM AND 0.837 INCHES MAXIMUM FIRST SHOULDER |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AATN |
SHOULDER DIAMETER |
0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST SHOULDER |
