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 5996-01-466-2825
NSN 2925-01-157-9204
NSN 5910-00-502-7031
NSN 7035-01-091-7481
NSN 5990-01-039-2016
NSN 6110-01-348-4511
NSN 6145-01-025-1372
NSN 6685-01-023-7514
NSN 6320-00-676-9387
NSN 6645-00-291-6873
NSN 4140-01-141-6526
NSN 6645-00-296-8310