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 5975-01-355-6408
NSN 5835-01-076-4091
NSN 5996-00-272-2560
NSN 6645-01-144-8627
NSN 5975-01-581-4085
NSN 6150-01-285-6468
NSN 6610-01-018-9122
NSN 6135-00-191-6444
NSN 5930-01-097-8821
NSN 5965-01-476-0721
NSN 6645-00-620-4908
NSN 6685-00-070-7259