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 6105-01-394-8783
NSN 6150-00-480-7671
NSN 5835-00-074-3700
NSN 4140-01-426-8428
NSN 6645-00-155-2398
NSN 6130-01-130-7095
NSN 6145-01-026-0030
NSN 6650-01-599-9849
NSN 5905-00-349-7055
NSN 5910-01-479-3599
NSN 6645-01-578-6815
NSN 5975-00-050-9938