MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 2A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 2.750 INCHES MINIMUM |
AASB | FASTENER LENGTH | 4.500 INCHES NOMINAL |
AASK | ||
AASU | HEAD HEIGHT | 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 1.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 12 |
CQBC | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 74.0 BRINELL HULTGREN MINIMUM OVERALL |
CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
MATT | MATERIAL | STEEL OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FFS-S-66,SERIES 300 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |