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 6135-00-871-3646
NSN 6110-01-432-0758
NSN 5895-01-186-6286
NSN 5975-01-451-7623
NSN 6685-01-449-0062
NSN 6105-01-401-5361
NSN 5905-00-942-4234
NSN 5985-01-466-6472
NSN 6145-01-142-2234
NSN 5915-00-159-7349
NSN 5990-00-170-4239
NSN 5960-00-376-0277