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 6645-01-035-9792
NSN 5965-01-043-5295
NSN 6105-01-506-5863
NSN 5910-01-181-8978
NSN 5945-00-290-1779
NSN 6320-00-701-0437
NSN 5905-01-118-8856
NSN 5930-01-073-5609
NSN 5945-01-086-6562
NSN 5999-01-595-7116
NSN 5920-01-507-2371
NSN 5999-00-522-1252