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 6110-01-472-1963
NSN 4140-00-423-6663
NSN 6150-01-468-6406
NSN 6110-01-364-8344
NSN 5965-01-438-8249
NSN 5990-01-455-8035
NSN 6135-01-050-3194
NSN 5915-01-606-8569
NSN 4140-00-935-5360
NSN 5895-01-517-2318
NSN 6150-00-252-4886
NSN 5975-01-077-9946