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 6610-00-398-9673
NSN 6320-01-314-8017
NSN 7035-00-849-5526
NSN 5960-01-528-1147
NSN 5985-01-587-9073
NSN 6135-01-441-0518
NSN 6220-01-626-3162
NSN 2925-01-531-0248
NSN 5985-01-616-4371
NSN 6135-01-562-3056
NSN 6685-01-064-1442
NSN 5999-01-339-9756