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 5920-01-510-3933
NSN 5915-01-482-9620
NSN 5915-00-892-3011
NSN 6130-01-081-8157
NSN 5895-01-100-3644
NSN 6130-01-438-6291
NSN 6145-00-929-7984
NSN 6150-01-252-9833
NSN 7035-01-388-6943
NSN 6135-00-927-5848
NSN 5998-01-470-5263
NSN 6685-01-186-4337