| MRC |
Requirement Statement |
Characteristics |
| AASU |
HEAD HEIGHT |
0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON FLATS |
| AASA |
THREAD LENGTH |
4.295 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| CQHQ |
MINIMUM YIELD STRENGTH |
120000 POUNDS PER SQUARE INCH |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-85 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| ASXK |
HOLE QUANTITY |
1 |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SFTT |
SURFACE TREATMENT |
ZINC AND CHROMATE OVERALL |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A354, GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| AASB |
FASTENER LENGTH |
4.406 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| AAUB |
HOLE DIAMETER |
0.0625 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633, TYPE 2 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| BQDM |
HOLE TYPE |
DRILLED |
