A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6650-01-104-6139
NSN 6145-00-498-2738
NSN 2925-01-534-5389
NSN 2925-00-143-5859
NSN 5930-00-285-2799
NSN 5998-01-100-0280
NSN 5935-01-353-8690
NSN 6240-01-519-0507
NSN 5915-01-012-1854
NSN 6620-01-425-2750
NSN 5960-00-333-9897
NSN 5915-00-816-9056