| MRC |
Requirement Statement |
Characteristics |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
FF-S-85,PARAGRAPH 3.1.6,SELF-LOCKING ELEMENT AND PARAGRAPH 3.4.4 ZINC PLATING |
| AASB |
FASTENER LENGTH |
2.422 INCHES MINIMUM AND 2.562 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 10P STYLE AND 5/8-11UNC SIZE |
| AAUM |
LOCKING FEATURE |
PATCH THREADS |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A449 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A354 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
81348-FF-S-85 GOVERNMENT SPECIFICATION |
| SUPP |
SUPPLEMENTARY FEATURES |
MEETS ANSI B18.2.1 TABLE 4 SIZE 5/8 EXCEPT SELF-LOCKING ELEMENT MIL-F-18240 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633,TYPE 2,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CHROMATE ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
11 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
