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 5935-01-009-5140
NSN 5985-01-643-8975
NSN 5935-01-584-4225
NSN 2925-01-633-4048
NSN 6685-01-131-3222
NSN 5915-00-605-7560
NSN 5945-01-085-5777
NSN 7035-01-167-2241
NSN 6135-01-526-3227
NSN 7035-00-803-3056
NSN 5895-00-434-5721
NSN 5996-00-149-0708