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 6220-01-220-5260
NSN 6650-01-142-1688
NSN 6150-01-451-0699
NSN 5905-00-925-2851
NSN 5835-00-170-5238
NSN 5945-01-422-1684
NSN 6610-01-040-2854
NSN 6650-01-327-3068
NSN 6135-00-497-0491
NSN 5920-00-579-2286
NSN 6645-01-281-7254
NSN 6320-00-456-0836