| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| FEAT |
SPECIAL FEATURES |
MAKE FROM P/N B1821BH050F250, NSN 5305-00-719-5240 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
STM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
2.375 INCHES MINIMUM AND 2.406 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
