| MRC |
Requirement Statement |
Characteristics |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON FLATS |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AASB |
FASTENER LENGTH |
3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| ASXK |
HOLE QUANTITY |
1 |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQHQ |
MINIMUM YIELD STRENGTH |
150000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAUB |
HOLE DIAMETER |
0.047 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
1.320 INCHES MINIMUM AND 1.650 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
170000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFS86 |
| BQDM |
HOLE TYPE |
DRILLED |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
