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 5920-01-355-6983
NSN 5950-01-350-4462
NSN 5950-01-025-9376
NSN 6145-00-565-9560
NSN 7035-01-423-8343
NSN 5895-01-319-8331
NSN 5855-01-100-3272
NSN 6105-01-285-9673
NSN 5895-00-246-4415
NSN 6105-01-422-0432
NSN 6135-00-803-3012
NSN 6220-01-311-2531