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 6320-01-227-2648
NSN 5999-01-196-5433
NSN 6130-01-045-7968
NSN 5910-01-068-5418
NSN 5999-01-590-1477
NSN 6650-01-527-2610
NSN 5965-00-862-3295
NSN 6650-00-658-9627
NSN 5975-00-863-3860
NSN 6645-01-508-4012
NSN 5895-01-465-8712
NSN 6650-00-647-1085