| MRC |
Requirement Statement |
Characteristics |
| ASDB |
WIDTH ACROSS FLATS |
0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL OVERALL |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFS86TYPE1STYLE11 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| AASB |
FASTENER LENGTH |
0.740 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-86E |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASL |
HEAD DIAMETER |
0.429 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.770 INCHES MINIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
