| 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 |
|
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFN836 |
| CQJX |
NOMINAL THREAD SIZE |
0.250 INCHES |
| FEAT |
SPECIAL FEATURES |
HEAD MARKINGS INDENTED AT 120.0 DEGREES |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| BZRR |
THREAD SERIES |
UNC |
| ACTA |
NUT STYLE |
HEXAGON |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| ASDB |
WIDTH ACROSS FLATS |
0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2B |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 4 STYLE |
| CRTM |
BEARING SURFACE TYPE |
CHAMFERED OR WASHER FACED |
| ADEA |
NUT HEIGHT |
0.410 INCHES MINIMUM |
