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 6135-01-544-2630
NSN 6645-00-627-1501
NSN 6685-01-592-1594
NSN 5950-01-546-3864
NSN 5990-00-004-4158
NSN 5905-01-422-2597
NSN 5920-00-740-3121
NSN 6110-01-415-9950
NSN 6220-01-099-3429
NSN 5915-00-103-0608
NSN 6105-00-109-8448
NSN 6135-00-221-4720