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 6620-01-510-1859
NSN 6620-01-415-5803
NSN 6135-00-726-4142
NSN 6650-00-464-6395
NSN 5855-00-287-5870
NSN 6610-00-150-7002
NSN 6650-01-643-9613
NSN 6320-01-326-1316
NSN 6220-01-420-6512
NSN 5925-00-952-0618
NSN 5960-01-502-3268
NSN 5999-00-578-2896