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 5996-00-146-7998
NSN 5985-01-411-4815
NSN 5910-01-382-8803
NSN 6220-01-474-0494
NSN 5925-01-423-7803
NSN 6620-00-319-4044
NSN 5925-01-533-7017
NSN 6685-00-638-9261
NSN 6130-01-442-6491
NSN 5910-01-462-0401
NSN 5925-01-069-4815
NSN 6620-01-125-8904