NSN 5310-01-203-2308

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-203-2308 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: NAS18054N, NAS1805-4N, 5310-01-203-2308, 01-203-2308, 5310012032308, 012032308

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 13, 198501-203-230829729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-01-203-2308
Part Number Cage Code Manufacturer
NAS1805-4N80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5310-01-203-2308
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.434 INCHES MINIMUM
OVERALL HEIGHT0.250 INCHES MAXIMUM
WASHER THICKNESS0.020 INCHES NOMINAL
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION SOLUBLE LUBRICANT
SPECIFICATION/STANDARD DATA80205-NAS1805 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD