| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.328 INCHES MINIMUM AND 2.375 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.437 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAWU |
SINGLE SHEAR STRENGTH |
14300 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS 337 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.630 INCHES MINIMUM AND 0.697 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
