MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASL | HEAD DIAMETER | 0.531 INCHES NOMINAL |
AAUM | LOCKING FEATURE | PATCH LOCKING FEATURE |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 20 |
CRSQ | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SOCKET, FLATHEAD, SELF-LOCKING |
MATT | MATERIAL | STEEL OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86, TY IV FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | ZINC OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325, TY II, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |