| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNRC |
| AATB |
WIDTH BETWEEN FLATS |
0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
GM 4435 M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.360 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
