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 7035-01-510-8787
NSN 6150-01-199-8920
NSN 6145-00-487-9233
NSN 5905-01-244-7537
NSN 5925-01-500-1352
NSN 6240-00-316-3167
NSN 5915-01-245-8157
NSN 5855-01-063-6340
NSN 5996-01-420-0980
NSN 5925-01-419-6287
NSN 6620-00-753-0745
NSN 5925-00-999-9320