NSN 5310-00-494-2049

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-494-2049 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: L55LHEB220222, L55LHEB220-222, STSCD00744, STSCD007-44, 684572212, 68457-2212, 5310-00-494-2049, 00-494-2049, 5310004942049, 004942049

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 19, 197000-494-204929729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-494-2049
Part Number Cage Code Manufacturer
L55LHEB220-22272962HARVARD INDUSTRIES INC
STSCD007-4498897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
68457-221256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-00-494-2049
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE1.375 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATINGRCB30.0 ROCKWELL C MAXIMUM AND 46.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER2.313 INCHES MAXIMUM
OVERALL HEIGHT1.445 INCHES MAXIMUM
WIDTH ACROSS FLATS1.614 INCHES MINIMUM AND 1.627 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION SOLUBLE LUBRICANT
TEMP RATING-65.0 DEG FAHRENHEIT MINIMUM AND 450.0 DEG FAHRENHEIT MAXIMUM