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 6145-01-173-5143
NSN 6145-00-301-9124
NSN 5920-00-877-5340
NSN 5930-00-055-0382
NSN 5990-00-877-6971
NSN 5998-00-966-5587
NSN 5910-01-516-7460
NSN 6320-01-372-8671
NSN 6685-00-227-0199
NSN 5905-01-020-4786
NSN 6130-00-501-8586
NSN 5925-01-153-7493