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 6145-01-182-9200
NSN 7035-00-803-3056
NSN 6145-01-634-0388
NSN 5985-01-621-8725
NSN 5965-01-023-0245
NSN 5990-00-794-7710
NSN 7035-00-529-3128
NSN 5975-01-084-5205
NSN 5905-01-081-1048
NSN 6130-01-542-0025
NSN 5930-01-266-2958
NSN 5975-01-048-9301