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 |
|---|---|---|
| ADEA | NUT HEIGHT | 0.734 INCHES NOMINAL |
| ADEA | NUT HEIGHT | 0.734 INCHES NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| MATT | MATERIAL | STEEL COMP 1025 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1034 OVERALL OR STEEL COMP 1038 OVERALL OR STEEL COMP 1033 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1527 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1541 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| ASDB | WIDTH ACROSS FLATS | 1.250 INCHES NOMINAL |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL SPEC REQUIREMENT AND THD CLASS REQUIREMENT |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ACTA | NUT STYLE | HEXAGON |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CMLP | THREAD QUANTITY PER INCH | 10 |
| BZRR | THREAD SERIES | UNC |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 8 STYLE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |