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 5905-00-113-9951
NSN 5999-01-131-7065
NSN 5998-01-005-0738
NSN 5910-00-620-4727
NSN 7035-01-103-3342
NSN 5835-00-902-8680
NSN 6685-00-839-6823
NSN 5985-01-212-0894
NSN 6650-01-285-9711
NSN 4140-00-575-6586
NSN 6135-01-156-4627
NSN 2925-01-277-5882