NSN 5310-00-838-0264

Part Details | HEXAGON CASTELLATED PLAIN NUT

5310-00-838-0264 A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.

Alternate Parts: FFN836, MS2102528, MS21025-28, MS2102528, MS21025-28, 5310-00-838-0264, 00-838-0264, 5310008380264, 008380264

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-838-026401854 ( NUT, PLAIN, CASTELLATED, HEXAGON )
REFERENCE DRAWINGS & PICTURES

CASTELLATED, HEXAGON

Cross Reference | NSN 5310-00-838-0264
Part Number Cage Code Manufacturer
FFN83681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS21025-2896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21025-2880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5310-00-838-0264
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
NUT STYLE CASTELLATED, HEXAGON
NUT HEIGHT0.562 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
WIDTH ACROSS FLATS2.125 INCHES MINIMUM AND 2.141 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED
NONDEFINITIVE SPEC/STD DATA5 TYPE
BEARING SURFACE FINISH32.0 MICROINCHES