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 5930-01-633-2356
NSN 5985-00-863-0450
NSN 6620-00-981-6958
NSN 5998-00-209-2321
NSN 5920-01-201-7346
NSN 5985-00-100-4310
NSN 6145-01-025-6514
NSN 7035-01-535-5911
NSN 2925-00-501-7838
NSN 5895-00-296-0171
NSN 5950-00-099-9612
NSN 5915-01-054-3788