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 |
|---|---|
| 57574 | VELAN VALVE CORPORATION DIV VELAN VA |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 316 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 347 OVERALL |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| CQFM | HARDNESS RATING | NOT RATED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AZKQ | TEMP RATING | NOT RATED |
| ASDB | WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| ACTA | NUT STYLE | HEXAGON |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| BZRR | THREAD SERIES | UNC |
| ADEA | NUT HEIGHT | 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 13 |