| MRC |
Requirement Statement |
Characteristics |
| CQHQ |
MINIMUM YIELD STRENGTH |
130000 POUNDS PER SQUARE INCH |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| AAUM |
LOCKING FEATURE |
PATCH OR PELLET OR STRIP THREADS |
| AASL |
HEAD DIAMETER |
0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| MATT |
MATERIAL |
PLASTIC POLYAMIDE LOCKING FEATURE STEEL FASTENER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AASA |
THREAD LENGTH |
0.498 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE FASTENER |
