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 6610-00-879-2788
NSN 6130-00-400-0786
NSN 6105-00-111-0851
NSN 5920-01-648-1983
NSN 6145-00-281-8161
NSN 6320-01-498-4954
NSN 5999-00-293-1718
NSN 5996-01-252-8275
NSN 5935-00-330-3573
NSN 5975-00-339-3313
NSN 5910-00-803-4420
NSN 5910-00-555-3003