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 6685-00-120-1009
NSN 5985-00-958-1644
NSN 5945-01-103-5388
NSN 6220-01-371-0387
NSN 6240-01-063-6070
NSN 6145-00-419-9943
NSN 6645-00-801-0950
NSN 5990-01-012-0613
NSN 5910-00-850-7120
NSN 2925-01-464-3093
NSN 6610-01-604-1744
NSN 5945-00-243-2470