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 5935-01-341-2839
NSN 5975-01-411-6597
NSN 4140-00-477-1863
NSN 5965-01-514-7231
NSN 5985-00-230-8655
NSN 6145-01-478-1722
NSN 5985-00-246-0857
NSN 2925-01-187-5480
NSN 6105-01-641-0404
NSN 6220-01-082-8769
NSN 2925-00-010-2632
NSN 6685-01-634-0611