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 |
|---|---|
| 15653 | ALCOA GLOBAL FASTENERS 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 |
|---|---|---|
| ACTA | NUT STYLE | SINGLE BALL SEAT, HEXAGON |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| ADEA | NUT HEIGHT | 0.219 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.219 INCHES NOMINAL |
| AAVX | WASHER OUTSIDE DIAMETER | 0.420 INCHES NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ACTC | BALL SEAT RADIUS | 0.312 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ADEM | WASHER THICKNESS | 0.095 INCHES NOMINAL |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ASDB | WIDTH ACROSS FLATS | 0.309 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1137 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |