Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , PLAIN , CASTELLATED , HEXAGON
Definition:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES NUT (1), PLAIN, SLOTTED, HEXAGON.
CAGE Information
| Code | Company |
|---|---|
| 56828 | ELI LILLY CANADA INC |
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 |
|---|---|---|
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS8488,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| ADFK | NUT COUNTERBORE DEPTH | 0.148 INCHES MINIMUM NUT AND 0.168 INCHES MAXIMUM NUT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 0.265 INCHES MINIMUM NUT AND 0.275 INCHES MAXIMUM NUT |
| ADEA | NUT HEIGHT | 0.408 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| ACTA | NUT STYLE | CASTELLATED, HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 94.0 ROCKWELL B MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |