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 6685-01-573-9439
NSN 4140-00-239-9174
NSN 5960-00-615-8001
NSN 5975-01-587-7254
NSN 5930-00-451-3832
NSN 5925-01-282-9825
NSN 5905-00-261-8428
NSN 5985-01-641-0100
NSN 5925-01-137-6104
NSN 5915-00-606-8558
NSN 5960-00-248-3065
NSN 5905-01-076-2288