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 5895-00-452-7134
NSN 5945-01-473-3447
NSN 6645-00-754-4108
NSN 6135-01-296-1860
NSN 5990-00-435-9400
NSN 5998-00-542-9656
NSN 6130-01-223-2330
NSN 5998-01-275-3081
NSN 6645-01-282-3624
NSN 6610-00-633-4338
NSN 6645-01-268-7265
NSN 5855-01-088-8700