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 6240-00-155-5817
NSN 5999-00-802-9097
NSN 5975-00-215-8571
NSN 2925-01-441-8958
NSN 7035-01-421-4446
NSN 6685-00-153-3914
NSN 5915-01-251-1371
NSN 5996-00-932-3796
NSN 6645-01-441-3887
NSN 5905-01-548-3424
NSN 4140-01-524-3276
NSN 6150-01-058-8972