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 5999-01-262-2957
NSN 5998-01-338-5448
NSN 5945-00-902-3667
NSN 7035-01-559-8472
NSN 5965-01-026-8624
NSN 5999-01-535-7356
NSN 6135-00-299-6918
NSN 6105-01-076-5183
NSN 7035-01-508-6447
NSN 6620-00-130-0815
NSN 5930-00-399-3237
NSN 6110-01-340-8849