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 5965-01-388-3492
NSN 5895-01-435-1619
NSN 2925-01-206-7948
NSN 6145-01-106-1252
NSN 6620-01-315-7003
NSN 5990-01-315-3754
NSN 5925-00-194-9146
NSN 6645-01-571-8578
NSN 6685-01-262-3065
NSN 2925-00-824-2186
NSN 6110-01-425-1449
NSN 5920-00-458-6388