| MRC |
Requirement Statement |
Characteristics |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
1.000 INCHES MINIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQHQ |
MINIMUM YIELD STRENGTH |
150000 POUNDS PER SQUARE INCH |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
6 TYPE |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
1.750 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ASDB |
WIDTH ACROSS FLATS |
0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFS86 |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
