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 5945-01-562-8335
NSN 6320-01-213-3167
NSN 5985-00-262-3397
NSN 5855-00-256-5562
NSN 5985-00-550-6982
NSN 5975-01-447-0870
NSN 6620-01-458-8074
NSN 5915-01-036-5580
NSN 6135-01-529-8523
NSN 5915-01-323-3878
NSN 6220-01-371-9905
NSN 7035-00-897-7567