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 5950-01-143-1708
NSN 6685-00-050-1353
NSN 5996-01-444-0680
NSN 6320-00-676-9387
NSN 6685-01-298-3791
NSN 5999-01-170-3766
NSN 5996-00-810-0197
NSN 5905-01-070-4231
NSN 5935-00-095-6544
NSN 5855-00-221-9435
NSN 5996-00-966-4688
NSN 6685-00-891-9304