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 6610-00-339-2981
NSN 6685-00-494-1407
NSN 5930-01-242-9209
NSN 6130-01-386-4015
NSN 5990-00-153-0055
NSN 5965-01-351-6977
NSN 5965-01-470-9834
NSN 6240-01-415-5149
NSN 6240-00-237-7878
NSN 6320-01-377-0033
NSN 5996-01-475-5728
NSN 5835-01-359-2575