NSN 3040-00-731-5266

Part Details | BODY HUB

3040-00-731-5266 A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes BEARING, SLEEVE; BUSHING, SLEEVE; and COLLAR, SHAFT.

Alternate Parts: 643560020101, 6435-60020-101, 3040-00-731-5266, 00-731-5266, 3040007315266, 007315266

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30FEB 21, 196800-731-526627782 ( HUB, BODY )
REFERENCE DRAWINGS & PICTURES

DOUBLE HUB, SPLIT AND SOLID

Cross Reference | NSN 3040-00-731-5266
Part Number Cage Code Manufacturer
6435-60020-10178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 3040-00-731-5266
Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATION COMP 4130 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CHROMATE
STYLE DESIGNATOR DOUBLE HUB, SPLIT AND SOLID
HUB INSIDE DIAMETER0.752 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
FIRST END HUB OUTSIDE DIAMETER1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
SECOND END HUB OUTSIDE DIAMETER1.810 INCHES MINIMUM AND 1.811 INCHES MAXIMUM
DISTANCE FROM FIRST END HUB TO SHOULDER0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
DISTANCE FROM SECOND END HUB TO SHOULDER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
SHOULDER OUTSIDE DIAMETER3.312 INCHES NOMINAL
SHOULDER WIDTH0.100 INCHES NOMINAL
SPECIAL FEATURES2ND END ID 1.552 IN.MIN,1.572 IN.MAX;ONE INTERNAL KEYWAY AT ZERO DEG ON AA END 0.127 IN.NOM W;0.410 IN.MAX DISTANCE FROM BORE CENTER TO KEY BOTTOM;FLANGE SCALLOPED BETWEEN BOLT HOLES BY 2.000 IN.RADIUS;SECURING HOLE QTY:4;ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG:90.0 DEGS;MATERIAL HARDNESS RATING:26.0 TO 33.0 ROCKWELL C;O/A LENGTH:1.245 IN.NIM,1.250 IN.MAX;SECURING HOLE SIZE:0.266 IN.DIA