MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 2A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 4.250 INCHES NOMINAL |
AASB | FASTENER LENGTH | 9.500 INCHES NOMINAL |
AASK | HEAD STYLE | HEXAGON |
AASU | HEAD HEIGHT | 1.175 INCHES MINIMUM AND 1.388 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 3.025 INCHES MINIMUM AND 3.125 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 2.000 INCHES |
ANEE | GRIP LENGTH | 5.250 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 4.5 |
CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
CQHQ | MINIMUM YIELD STRENGTH | 105000 POUNDS PER SQUARE INCH |
CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL |
SFTT | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND B7 GRADE |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193 GR B7 ASSN STD ALL MATERIAL RESPONSES OVERALL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
THSD | THREAD SERIES DESIGNATOR | UNC |
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