| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.250 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL B MINIMUM FASTENER |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATT |
MATERIAL |
NICKEL ALLOY 400 FASTENER |
| MATT |
MATERIAL |
PLASTIC POLYAMIDE LOCKING FEATURE |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
40000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAUM |
LOCKING FEATURE |
PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| AATB |
WIDTH BETWEEN FLATS |
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
