NSN 5310-00-368-4656

Part Details | HEXAGON CASTELLATED SELF-LOCKING NUT

5310-00-368-4656 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.

Alternate Parts: F12NTEC918, F12NTEC-918, F12NTEC918, F12NTEC-918, F12NTEC918, F12NTEC-918, MS178269, MS17826-9, 5310-00-368-4656, 00-368-4656, 5310003684656, 003684656

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 27, 197400-368-465629725 ( NUT, SELF-LOCKING, CASTELLATED, HEXAGON )
REFERENCE DRAWINGS & PICTURES

CASTELLATED, HEXAGON

Cross Reference | NSN 5310-00-368-4656
Part Number Cage Code Manufacturer
F12NTEC-918K1678FAIRCHILD FASTENERS UK LTD
F12NTEC-91827687GREER STOP NUT INC.
F12NTEC-918K6405KAYNAR MICRODOT AEROSPACE
MS17826-996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5310-00-368-4656
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE CASTELLATED, HEXAGON
NUT HEIGHT0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
BEARING SURFACE TYPEH$DWF
LOCKING FEATUREP$R
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES