MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.250 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
AASK | HEAD STYLE | HEADLESS (SETSCREW) |
ABQJ | POINT STYLE | CUP |
ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 20 |
MATT | MATERIAL | COPPER ALLOY 462 OVERALL OR COPPER ALLOY 464 OVERALL OR COPPER ALLOY 482 OVERALL OR COPPER ALLOY 485 OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE |
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