| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| ASDB |
WIDTH ACROSS FLATS |
0.125 INCHES NOMINAL |
| SR-1 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
MS51981-49 |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| ABQJ |
POINT STYLE |
OVAL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEADLESS (SETSCREW) |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SR-1 |
MANUFACTURERS CODE |
96906 |
| MATT |
MATERIAL |
STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CQFM |
HARDNESS RATING |
45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
