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 6645-01-578-6815
NSN 6150-01-524-7160
NSN 6145-01-003-9741
NSN 6685-01-415-5809
NSN 5905-01-500-2135
NSN 6145-01-437-5505
NSN 5920-01-103-7683
NSN 5950-01-045-9673
NSN 5975-01-346-9696
NSN 5998-01-042-3300
NSN 6135-00-708-0892
NSN 6105-01-437-6431