| MRC |
Requirement Statement |
Characteristics |
| CQHQ |
MINIMUM YIELD STRENGTH |
130000 POUNDS PER SQUARE INCH |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
6 TYPE |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-86 REVISION C |
| AASA |
THREAD LENGTH |
1.335 INCHES MINIMUM AND 1.653 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
