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 6145-01-229-5654
NSN 6150-01-339-4484
NSN 6320-01-067-0474
NSN 5920-00-324-2315
NSN 5930-01-284-1262
NSN 5996-00-652-9031
NSN 5965-01-294-1396
NSN 6135-00-932-3136
NSN 6650-00-816-6525
NSN 6145-01-096-2505
NSN 4140-00-289-9263
NSN 6135-01-156-4627