Part Number
Definition:
A NUT, FLAT ON TOP AND BOTTOM HAVING 6 FLAT SIDES. FOR ITEMS WHICH HAVE INTERNAL TAPERED OR STRAIGHT (PARALLEL) PIPE THREADS, SPECIFIC ELECTRICAL CONDUIT SIZE DESIGNATION, AND WHICH WHEN INSTALLED, PROVIDE A METHOD OF TIGHTENING TO LOCK THE CONNECTION, SEE LOCKNUT, ELECTRICAL CONDUIT. SEE ALSO LOCKNUT, TUBE FITTING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)
CAGE Information
Code | Company |
---|---|
81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
BZRR | THREAD SERIES | UNF |
BZRR | THREAD SERIES | UNF |
ADEA | NUT HEIGHT | 0.706 INCHES MINIMUM AND 0.731 INCHES MAXIMUM |
ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY QUANTITY OF DRILLED HOLES |
CMLP | THREAD QUANTITY PER INCH | 18 |
CQFM | HARDNESS RATING | 103.0 BRINELL STANDARD MINIMUM |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND B GROUP AND 1 STYLE |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
AAJD | THREAD CLASS | 3B |
AZKQ | TEMP RATING | NOT RATED |
MATT | MATERIAL | STEEL OVERALL |
ACTA | NUT STYLE | HEXAGON |
CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
CQJX | NOMINAL THREAD SIZE | 0.625 INCHES |
ASDB | WIDTH ACROSS FLATS | 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |