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 5920-01-608-4739
NSN 6145-01-576-4021
NSN 5935-00-303-3463
NSN 6685-01-019-4493
NSN 6150-00-891-7922
NSN 5895-01-148-6594
NSN 6685-00-728-0666
NSN 6650-01-441-1258
NSN 5910-01-415-2463
NSN 2925-01-285-7163
NSN 5950-00-085-5856
NSN 4140-01-388-4289