| MRC |
Requirement Statement |
Characteristics |
| AASU |
HEAD HEIGHT |
0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL |
| AAJD |
THREAD CLASS |
2A |
| SR-1 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
429012 |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| SR-1 |
MANUFACTURERS CODE |
21450 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CQHQ |
MINIMUM YIELD STRENGTH |
85000 POUNDS PER SQUARE INCH |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| AASB |
FASTENER LENGTH |
1.093 INCHES MINIMUM AND 1.157 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| CQBC |
MINIMUM TENSILE STRENGTH |
95000 POUNDS PER SQUARE INCH |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| 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 |
| MATT |
MATERIAL |
STEEL COMP 1035 OVERALL |
| AASA |
THREAD LENGTH |
1.010 INCHES MINIMUM AND 1.093 INCHES MAXIMUM |
| AAUM |
LOCKING FEATURE |
DISTORTIONS BEARING SURFACE OF HEAD |
