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 6110-01-440-8744
NSN 5855-00-631-4565
NSN 6240-00-372-4841
NSN 5925-00-081-9135
NSN 6130-01-568-3677
NSN 5990-01-414-2778
NSN 5855-01-418-0089
NSN 5915-01-131-3656
NSN 5996-01-197-7005
NSN 2925-00-132-1280
NSN 6685-00-081-2044
NSN 6130-00-710-5696