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 6685-00-393-2219
NSN 5965-01-422-3232
NSN 6145-01-514-5315
NSN 5975-01-419-4349
NSN 5945-01-659-0376
NSN 5985-00-415-5991
NSN 5895-01-540-0666
NSN 5999-00-439-0282
NSN 5930-01-399-2555
NSN 5985-01-343-3732
NSN 5835-01-384-3206
NSN 6620-00-730-8699