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 5990-00-212-4316
NSN 6685-01-534-4623
NSN 6150-01-028-2842
NSN 6645-01-269-9708
NSN 5999-01-303-1431
NSN 6145-00-351-4539
NSN 5965-00-116-8982
NSN 5975-01-004-7966
NSN 6130-01-025-9836
NSN 5996-01-232-0067
NSN 6610-01-138-5786
NSN 6150-01-392-6189