Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , SINGLE BALL SEA
Definition:
A NUT HAVING ONE CONVEX, SPHERICAL BEARING SURFACE AND 6 FLAT SIDES. ITEMS MAY HAVE A REMOVABLE COLLAR. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. SEE ALSO NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.
CAGE Information
| Code | Company |
|---|---|
| 88277 | BOEING COMPANY THE DBA BOEING |
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 |
|---|---|---|
| ACTA | NUT STYLE | SINGLE BALL SEAT, HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 4340 OVERALL |
| FEAT | SPECIAL FEATURES | SELF-ALIGNING WASHER INCLUDED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ACTC | BALL SEAT RADIUS | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.680 INCHES MINIMUM AND 0.692 INCHES MAXIMUM |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| ADEA | NUT HEIGHT | 0.487 INCHES MINIMUM AND 0.497 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |