| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
UNFINISHED HEAD |
| CQFM |
HARDNESS RATING |
302.0 BRINELL STANDARD MINIMUM OVERALL AND 351.0 BRINELL STANDARD MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
130000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| AAUM |
LOCKING FEATURE |
DISTORTIONS BEARING SURFACE OF HEAD |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1 CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1 CL2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
