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 6685-01-524-4757
NSN 6320-01-516-3836
NSN 5930-01-109-7581
NSN 6135-00-299-6918
NSN 5990-01-632-0969
NSN 5905-00-584-5515
NSN 6645-00-558-0028
NSN 5925-01-069-7154
NSN 5996-00-650-3481
NSN 2925-01-063-7876
NSN 7035-00-973-9215
NSN 4140-01-350-7166