| MRC |
Requirement Statement |
Characteristics |
| AASU |
HEAD HEIGHT |
0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| SR-1 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
MS90727-29L |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| FEAT |
SPECIAL FEATURES |
WEAPON SYSTEM ESSENTIAL |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-85 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| SFTT |
SURFACE TREATMENT |
ZINC AND CHROMATE FASTENER |
| AASB |
FASTENER LENGTH |
0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
FEAT |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| MATT |
MATERIAL |
PLASTIC LOCKING FEATURE STEEL FASTENER |
| AATB |
WIDTH BETWEEN FLATS |
0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
HEXAGON |
| AASA |
THREAD LENGTH |
0.365 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE SAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SR-1 |
MANUFACTURERS CODE |
96906 |
| AAUM |
LOCKING FEATURE |
PATCH OR STRIP THREADS |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 10P STYLE AND 8 GRADE |
