NSN 5975-01-506-3898

An item designed to be interposed between an electrical conductor which may be bare or insulated and its support or housing to prevent chafing caused by contraction and expansion due to changes in the ambient temperature or damage or injury from outside sources. Excludes such items as loom, cotton sleeving, rubber blankets, grade clamps, and all types of conduit and insulation sleeving, electrical.