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 5965-00-064-7209
NSN 5996-01-282-2931
NSN 5905-01-259-5102
NSN 5985-01-634-0635
NSN 5975-00-549-4274
NSN 6130-00-350-8136
NSN 6110-00-170-6520
NSN 6135-01-632-9323
NSN 5975-01-222-3624
NSN 6130-01-323-2500
NSN 6220-00-981-9184
NSN 5999-01-444-3944