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 5930-01-541-4695
NSN 6320-01-573-6490
NSN 5935-01-377-7941
NSN 5905-01-020-0173
NSN 5965-01-474-5654
NSN 5910-01-008-0988
NSN 5930-00-011-9982
NSN 6685-00-232-3239
NSN 2925-01-129-1261
NSN 6220-01-560-7547
NSN 5910-01-229-9976
NSN 6645-00-469-5963