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 |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
| AGAV | END ITEM IDENTIFICATION | ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H);ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P);ENGINE, AIRCRAFT, TF-33-P-7 (C-141A/B);CONSOLIDATED TARGETS;HELICOPTER, MH-53E;AIRCRAFT, T-2;HELICOPTER, HH-53H PAVE LOW;AIRCRAFT, STRATOLIFTER C-135;AIRCRAFT, STRATOFORTRESS B-52;AIRCRAFT, PHANTOM F-4 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| BZRR | THREAD SERIES | UNF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ACTC | BALL SEAT RADIUS | 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| 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 |
| MATT | MATERIAL | STEEL OVERALL |
| ADEA | NUT HEIGHT | 0.330 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |