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 5915-00-659-3107
NSN 5835-01-592-2350
NSN 5925-00-415-2286
NSN 7035-01-193-2667
NSN 5960-00-542-7181
NSN 6135-01-447-5083
NSN 5905-01-026-9142
NSN 6685-00-551-3603
NSN 5930-01-209-9181
NSN 6320-01-554-0901
NSN 6320-00-857-4073
NSN 6685-00-478-5764