Lovejoy 68514410406 L070 Coupling, L Type Spider, Solid Center, (Pack of 18 pcs)

The L Type coupling consists of two standard L Type hubs and one spider.Nitrile Butadiene (Buna N) Rubber is a flexible elastomer material that is oil resistant, resembles natural rubber in resilience and elasticity and operates effectively in temperature range of -40° to 212° F (-40° to 100° C). Good resistance to oil. Standard elastomer. (Also applies to SXB Cushions.) NBR standard shore hardness is 80A ±5A - Except L035=60A. Other softer or harder designs are in NBR material;