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 5985-01-410-9220
NSN 5990-00-070-9608
NSN 5855-00-916-2236
NSN 5915-01-064-6059
NSN 6105-01-435-4376
NSN 6135-01-226-4071
NSN 6645-01-447-4461
NSN 5925-00-329-6965
NSN 6110-00-116-5514
NSN 5915-00-082-1286
NSN 5975-01-645-4462
NSN 6685-00-876-9696