| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
NAS 621 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-A-250/5,T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATT |
MATERIAL |
ALUMINUM ALLOY 2024 PRIMARY WASHER |
| MATT |
MATERIAL |
TITANIUM ALLOY FASTENER |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE PRIMARY WASHER |
| SFTT |
SURFACE TREATMENT |
ANODIZE PRIMARY WASHER OR CHROMATE PRIMARY WASHER |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
