| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| AASU |
HEAD HEIGHT |
0.165 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON COUNTERSUNK |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GRADE 2 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
COUNTERSINK EXTERNAL TEETH |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
GM 4342-M CODE 20 FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.914 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
