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 5998-00-510-6423
NSN 5990-01-581-5103
NSN 5975-01-071-2567
NSN 6105-01-316-4774
NSN 6685-01-411-7113
NSN 5998-01-189-9166
NSN 6650-01-101-4339
NSN 6145-01-345-4732
NSN 5985-01-472-8399
NSN 6645-01-440-8624
NSN 6240-00-573-7514
NSN 7035-00-148-2300