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 6150-01-280-5362
NSN 6240-01-600-5880
NSN 5960-00-904-0294
NSN 5905-00-304-4349
NSN 5930-01-541-8196
NSN 5925-00-816-6658
NSN 5965-00-285-0745
NSN 5975-01-619-4299
NSN 5910-01-338-0009
NSN 6650-01-187-5937
NSN 6650-01-322-6431
NSN 5905-01-108-8365