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 6145-01-313-6778
NSN 7035-01-119-6271
NSN 6645-01-055-9423
NSN 7035-01-348-5153
NSN 5965-01-608-9404
NSN 5996-00-444-0567
NSN 6130-01-205-2640
NSN 7035-00-205-1932
NSN 6645-01-526-0379
NSN 6620-00-234-3369
NSN 6135-00-968-8594
NSN 5915-00-857-3007