| MRC |
Requirement Statement |
Characteristics |
| AAJD |
THREAD CLASS |
2A |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 10P STYLE |
| FEAT |
SPECIAL FEATURES |
LOCKING FEATURE MATERIAL PLASTIC EPOXY, WEAPONS SYSTEM ESSENTIAL |
| AASB |
FASTENER LENGTH |
1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL PLASTIC POLYAMIDE LOCKING FEATURE STEEL FASTENER |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| SFTT |
SURFACE TREATMENT |
ZINC AND CHROMATE FASTENER |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
FEAT |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 GRADE 8 FED STD SINGLE MATERIAL RESPONSE FASTENER |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
1.250 INCHES MINIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
HEXAGON |
| AAUM |
LOCKING FEATURE |
PATCH OR STRIP THREADS |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
