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 5950-01-053-6595
NSN 5895-01-047-0233
NSN 5975-01-476-1484
NSN 5990-00-980-7808
NSN 5835-01-312-4446
NSN 6320-01-582-0161
NSN 5998-00-413-1178
NSN 5905-01-220-6482
NSN 5925-01-350-4295
NSN 6685-00-230-4267
NSN 5960-01-548-4896
NSN 2925-01-094-4771