Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , SINGLE BALL SEA
Definition:
A NUT HAVING ONE CONVEX, SPHERICAL BEARING SURFACE, WITH 12 DRIVE POINTS, 24 SIDES. ITEMS MAY HAVE A REMOVABLE COLLAR. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| FEAT | SPECIAL FEATURES | L0.348 IN. MIN AND 0.354 IN. MAX WASHER ID,0.505 IN. MIN AND 0.515 IN. MAX WASHER OD,0.113 IN. MIN AND 0.123 IN. MAX WASHER THICKNESS,0.067 IN. NOM SHOULDER HEIGHT,0.300 IN. MIN AND 0.310 IN. MAX SPHERICAL RADIUS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 15TH TREATMENT RESPONSE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTC | BALL SEAT RADIUS | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ADEA | NUT HEIGHT | 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| ACTA | NUT STYLE | SINGLE BALL SEAT, DOUBLE HEXAGON |
| BZRR | THREAD SERIES | UNJF |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |