NSN 5310-00-395-7749

Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-395-7749 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: ST217311, ST2173-11, H495005, H49500-5, 74483524, 74483-524, LH115885, LH11588-5, ST216902, ST2169-02, ST215611, ST2156-11, 5310-00-395-7749, 00-395-7749, 5310003957749, 003957749

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 12, 197400-395-774929729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

Cross Reference | NSN 5310-00-395-7749
Part Number Cage Code Manufacturer
ST2173-1115653ARCONIC GLOBAL FASTENERS & RINGS,INC.
H49500-515653ARCONIC GLOBAL FASTENERS & RINGS,INC.
74483-52456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
LH11588-556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
ST2169-0277445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
ST2156-1177445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5310-00-395-7749
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATING48.0 ROCKWELL C MAXIMUM
NUT STYLE DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.541 INCHES MAXIMUM
OVERALL HEIGHT0.473 INCHES MAXIMUM
WASHER THICKNESS0.065 INCHES MINIMUM
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN