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 5975-00-423-7122
NSN 6650-00-193-7358
NSN 7035-01-440-8877
NSN 6645-01-023-0005
NSN 6320-01-388-3125
NSN 6240-01-308-1848
NSN 6610-01-651-7769
NSN 5996-00-417-4349
NSN 5950-00-529-0264
NSN 6685-01-651-9548
NSN 6145-00-290-3859
NSN 5920-01-511-3996