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 6220-01-484-0365
NSN 5910-01-023-8230
NSN 6320-01-406-6098
NSN 5905-00-166-6366
NSN 6610-01-227-7221
NSN 6645-00-519-1026
NSN 5945-01-226-6075
NSN 7035-00-299-7150
NSN 6685-01-481-9705
NSN 6110-01-423-0739
NSN 5996-01-276-3962
NSN 5945-01-012-0840