Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , SQUARE
Definition:
A NUT HAVING A FLAT BOTTOM AND 4 FLAT SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, CAP.
CAGE Information
| Code | Company |
|---|---|
| 78553 | TINNERMAN PALNUT ENGINEERED PRODUCTS |
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 |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| CQFM | HARDNESS RATING | NOT RATED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AZKQ | TEMP RATING | NOT RATED |
| ACTA | NUT STYLE | SQUARE |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.520 INCHES NOMINAL |
| ADEA | NUT HEIGHT | 0.400 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2B |
| CRTM | BEARING SURFACE TYPE | FLAT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AAUM | LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |