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 5960-01-303-0301
NSN 6685-00-709-1695
NSN 6220-01-318-0054
NSN 5985-00-045-4219
NSN 6220-01-211-4630
NSN 2925-00-802-1418
NSN 6130-01-519-3082
NSN 5996-01-350-7147
NSN 6320-00-731-6134
NSN 5965-01-217-5620
NSN 6110-01-422-9861
NSN 6135-01-538-0997