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 6650-01-423-8131
NSN 5835-00-172-8292
NSN 6220-01-017-5492
NSN 4140-01-164-6685
NSN 5950-00-430-8529
NSN 6685-01-226-4068
NSN 6110-01-411-6000
NSN 5999-00-281-3900
NSN 5925-01-088-1495
NSN 5985-01-541-7593
NSN 6220-00-498-8098
NSN 5965-01-518-8102