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 6610-01-330-1895
NSN 6130-01-010-0407
NSN 5895-01-646-7152
NSN 5945-01-599-6163
NSN 5920-01-249-7616
NSN 5920-01-399-7189
NSN 6685-00-222-1306
NSN 6130-01-375-8775
NSN 6645-01-496-5694
NSN 6145-01-464-3380
NSN 5905-00-758-5009
NSN 6145-00-630-6660