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 |
---|---|---|
BZRR | THREAD SERIES | UNF |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
ACTA | NUT STYLE | DOUBLE HEXAGON |
AZKQ | TEMP RATING | 500.0 DEG FAHRENHEIT NOMINAL |
CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
CQFM | HARDNESS RATING | NOT RATED |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CRSQ | COUNTERSINK ANGLE | 109.5 DEGREES MINIMUM NUT AND 110.5 DEGREES MAXIMUM NUT |
ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3B |
MATT | MATERIAL | STEEL OVERALL |
ADEA | NUT HEIGHT | 0.578 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 20 |
CRTM | BEARING SURFACE TYPE | FLAT |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |