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 5950-01-529-7914
NSN 6130-01-554-6652
NSN 6685-00-150-7080
NSN 5960-00-201-5265
NSN 5855-00-631-4565
NSN 5895-01-123-8694
NSN 5925-01-274-4070
NSN 5930-00-135-5046
NSN 2925-01-525-8212
NSN 5910-01-121-7603
NSN 5996-01-349-6986
NSN 5925-00-064-3368