GREER STOP NUT INC. | 27687 |
FAIRCHILD FASTENERS UK LTD | K1678 |
KAYNAR MICRODOT AEROSPACE | K6405 |
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 96906 |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
NUT STYLE | CASTELLATED, HEXAGON |
NUT HEIGHT | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
WIDTH ACROSS FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
THREAD SERIES | UNJF |
THREAD QUANTITY PER INCH | 18 |
NOMINAL THREAD SIZE | 0.562 INCHES |
BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
BEARING SURFACE FINISH | 125.0 MICROINCHES |
MATERIAL | STEEL NUT |
SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
TEST DATA DOCUMENT | 81349-MILR55182 SPECIFICATION |
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON. |