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 5905-01-177-3808
NSN 5895-00-637-2658
NSN 5920-01-573-9212
NSN 2925-00-242-7688
NSN 5999-00-647-4999
NSN 5905-01-555-8077
NSN 6645-00-968-6118
NSN 6150-00-451-8165
NSN 5895-01-512-0741
NSN 6610-01-322-7677
NSN 5950-01-407-5574
NSN 5835-01-296-3790