Part Number 6870832

National Stock Number:

2840-01-038-1211 2840010381211

Description:

Turbine Shaft To Gear Coupling

Item Name Code:

77777

Compliance:

* ITAR Controlled

General Description:

Steel, ams6470, rockwell 15n scale 92 min case hardness, rockwell c scale 33 min, 37 maximum core hardness, black oxide surface treatment, ams2485, 3.140 in. Nom o/a lg, 1.100 in. Min, 1.110 in. Maximum od body, ext splines both ends, 38 teeth, 30 degrees pressure angle, 1.1875 in. Nom pitch dia, 1.218 in. Min, 1.223 in. Maximum od splines, 0.380 in. Nom lg splines, 2 ext flanges on od, 1.266 in. Min, 1.268 in. Maximum od by 0.208 in. Min, 0.213 in. Maximum w 1st ext flange, 0.797 in. Min, 0.802 in. Maximum distance from 1st end to flange, 1 circular groove on flange od, 0.108 in. Min, 0.113 in. Maximum w by 0.047 in. Min, 0.050 in. Maximum dp groove, 0.847 in. Min, 0.852 in. Maximum distance from 1st end to groove, 1.241 in. Min, 1.246 in. Maximum od by 0.208 in. Min, 0.213 in. Maximum w 2nd ext flange, 0.797 in. Min, 0.802 in. Maximum distance from 2nd end to flange, 1 circular groove on ext flange, 0.108 in. Min, 0.113 in. Maximum w by 0.051 in. Min, 0.053 in. Maximum dp groove, 0.847 in. Min, 0.852 in. Maximum distance from 2nd end to groove