| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
3.938 INCHES MINIMUM AND 4.062 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
95.0 ROCKWELL B MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
BUTTON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| AGQB |
NECK LENGTH |
0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| CWXQ |
NECK WIDTH |
0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE OR A STYLE OR 1 CLASS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
