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 5910-01-359-5256
NSN 5998-01-592-1701
NSN 6620-00-834-9430
NSN 5915-00-067-8906
NSN 6135-01-033-3213
NSN 4140-01-385-5636
NSN 7035-01-606-9692
NSN 6145-00-076-9324
NSN 6105-00-785-8316
NSN 6650-00-409-3139
NSN 6150-01-032-4556
NSN 6650-01-200-3293