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 6130-00-277-7321
NSN 6130-00-325-5811
NSN 5990-00-900-4459
NSN 7035-00-116-1900
NSN 5996-01-073-2332
NSN 5895-01-484-7611
NSN 6240-00-926-7788
NSN 5920-01-163-9257
NSN 6130-00-799-9383
NSN 6240-01-206-4809
NSN 5998-00-227-8504
NSN 6320-01-281-6028