Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , DOUBLE HEXAGON
Definition:
A NUT HAVING 12 DRIVE POINTS AND 24 SIDES. THE BEARING SURFACE MAY BE WASHER FACED. AN INTEGRAL LOCKING FEATURE IS INCORPORATED IN THE DESIGN OF THE HEAD OR IN THE THREADS.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| SFTT | SURFACE TREATMENT | SILVER OVERALL AND CHROMATE OVERALL OR SILVER OVERALL |
| PRMT | PRECIOUS MATERIAL | SILVER |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| AAWY | COUNTERBORE DIAMETER | 0.332 INCHES MAXIMUM NUT |
| ZZZK | SPECIFICATION/STANDARD DATA | 78286-SS5086 MANUFACTURERS STANDARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365,TY 1,CL A FED SPEC 1ST TREATMENT RESPONSE OVERALL OR AMS 2410 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| PMLC | PRECIOUS MATERIAL AND LOCATION | ALL SURFACES SILVER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CQFM | HARDNESS RATING | 42.0 ROCKWELL C MAXIMUM |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| ADEA | NUT HEIGHT | 0.253 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |