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 6645-01-537-3114
NSN 6135-01-504-6929
NSN 5935-00-231-0410
NSN 5990-01-052-1987
NSN 4140-01-228-6543
NSN 6685-01-017-9122
NSN 5935-00-579-1662
NSN 6620-01-659-8887
NSN 4140-01-163-4350
NSN 2925-00-284-1534
NSN 5895-00-844-7523
NSN 6135-01-100-3593