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 6220-01-647-8536
NSN 5999-00-139-6623
NSN 5965-01-133-7459
NSN 5910-01-519-3731
NSN 6130-00-287-6362
NSN 6150-01-645-8543
NSN 6135-01-120-9812
NSN 6650-00-361-8222
NSN 6320-01-214-8621
NSN 5855-01-625-6106
NSN 6145-00-753-2264
NSN 5925-01-128-6694