| MRC |
Requirement Statement |
Characteristics |
| AAJD |
THREAD CLASS |
2A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AASB |
FASTENER LENGTH |
0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.466 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 1010 OR STEEL COMP 1020 OVERALL |
| SR-1 |
MANUFACTURERS CODE |
21450 |
| AAVW |
WASHER QUANTITY |
1 |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
425840 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.523 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASK |
HEAD STYLE |
HEXAGON |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.025 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OR ZINC OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 3,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
