Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , PLAIN , SQUARE
Definition:
A NUT, FLAT ON TOP AND BOTTOM, HAVING 4 FLAT SIDES. 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 |
|---|---|
| 00000 | ORDNANCE CORPS |
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 |
|---|---|---|
| CQFM | HARDNESS RATING | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQFM | HARDNESS RATING | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| ADEA | NUT HEIGHT | 0.219 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AZKQ | TEMP RATING | NOT RATED |
| ACTA | NUT STYLE | SQUARE |
| MATT | MATERIAL | STEEL OVERALL |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 STYLE AND 1 TYPE AND B GRADE |
| BZRR | THREAD SERIES | UNC |
| AAJD | THREAD CLASS | 2B |
| CRTM | BEARING SURFACE TYPE | FLAT |