NSN 5310-01-203-1683

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-203-1683 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Alternate Parts: NAS18057N, NAS1805-7N, 5310-01-203-1683, 01-203-1683, 5310012031683, 012031683

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 12, 198501-203-168329729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-01-203-1683
Part Number Cage Code Manufacturer
NAS1805-7N80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5310-01-203-1683
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.729 INCHES MAXIMUM
OVERALL HEIGHT0.438 INCHES MAXIMUM
WASHER THICKNESS0.069 INCHES NOMINAL
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION DRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1805 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD