| MRC |
Requirement Statement |
Characteristics |
| AAJD |
THREAD CLASS |
2A |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASL |
HEAD DIAMETER |
0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
GM255-M FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
4252-M MFR REF SINGLE TREATMENT RESPONSE OR 4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AASK |
HEAD STYLE |
BUTTON |
| AASB |
FASTENER LENGTH |
4.250 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AGQB |
NECK LENGTH |
0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| AASA |
THREAD LENGTH |
0.875 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| CWXQ |
NECK WIDTH |
0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| CQHQ |
MINIMUM YIELD STRENGTH |
40000 POUNDS PER SQUARE INCH |
| CQFM |
HARDNESS RATING |
95.0 ROCKWELL B MAXIMUM OVERALL |
