| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.040 INCHES MINIMUM |
| AASB |
FASTENER LENGTH |
0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.268 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1 |
| CQBC |
MINIMUM TENSILE STRENGTH |
120000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
92000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| FEAT |
SPECIAL FEATURES |
FLANGED EXTENDED WASHER |
| AATB |
WIDTH BETWEEN FLATS |
0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
G-6111-M,FSCM 11862 MFR REF ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE OVERALL AND ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.430 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
