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 6320-01-523-4954
NSN 5975-00-803-2536
NSN 5990-00-351-5479
NSN 5905-00-964-4917
NSN 6150-00-074-6031
NSN 5960-01-237-8995
NSN 5965-01-014-8213
NSN 6145-00-471-3975
NSN 6135-01-398-5922
NSN 6610-01-577-8685
NSN 5996-00-562-8900
NSN 6620-01-529-7513