NSN 5310-00-420-5990

Part Details | HEXAGON SELF-LOCKING NUT

5310-00-420-5990 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Alternate Parts: 6565211171101, 65652-11171-101, 5310-00-420-5990, 00-420-5990, 5310004205990, 004205990

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 07, 196900-420-599005277 ( NUT, SELF-LOCKING, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-420-5990
Part Number Cage Code Manufacturer
65652-11171-10178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5310-00-420-5990
Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPE CHAMFERED
THREAD SERIES UNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
NUT HEIGHT0.203 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
SPECIAL FEATURES2 DRILLED HOLES 0.046 IN. DIA 180 DEG APART THRU HEX POINTS
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT