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 6685-01-351-4586
NSN 5998-01-036-2797
NSN 6105-00-707-5962
NSN 5905-01-483-2324
NSN 5925-01-095-8410
NSN 6610-00-932-2465
NSN 5895-01-036-9936
NSN 6650-00-266-6808
NSN 6645-01-202-7986
NSN 5985-01-188-6195
NSN 5920-00-993-2194
NSN 5998-00-729-5614