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 6645-00-906-1769
NSN 5945-01-033-0862
NSN 6150-00-111-3194
NSN 6150-00-184-5523
NSN 5835-01-123-8305
NSN 6650-00-792-8577
NSN 4140-01-348-5859
NSN 6240-00-195-6308
NSN 5999-01-473-1990
NSN 6145-00-286-9588
NSN 5985-01-320-3623
NSN 5855-01-098-9038