Grease Cup - Brass Size:5-40 thread height: 7/16" rim diameter: 1/4" Do not try to threads

Do not try to threads in the annealed condition

004 5-40 3/16 0

one valve is installed on the desired operating level and one just below the high water level

Designed as a way to apply oil to a breaking and then cover the oil passage in order to keep dirt out of the bearing

Available in left and right hand

Grease Cup - Brass Size:5-40 thread height: 7/16" rim diameter: 1/4" Do not try to threadsThese grease cups are scaled down version of those widely used on all machinery in the age of steam to apply grease under pressure to a bearing. They work just like the original: put grease in the cap, screw down on the body and grease is applied under pressure to the bearing. They have knurled tops and do a great job of adding the additional detail to dress up an engine.