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 4140-01-406-3626
NSN 7035-01-411-6062
NSN 5975-00-740-8367
NSN 6135-01-029-9315
NSN 5990-01-651-0170
NSN 5930-01-577-5446
NSN 5996-01-106-2763
NSN 5925-00-573-4367
NSN 5925-00-955-0659
NSN 5905-01-621-3411
NSN 6685-01-523-6219
NSN 5920-01-589-2844