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 6610-01-571-4979
NSN 5915-01-184-0397
NSN 6645-01-062-0905
NSN 6685-01-270-2303
NSN 5965-01-422-4823
NSN 6145-01-391-3551
NSN 5998-00-315-3595
NSN 5915-01-371-2906
NSN 6240-01-361-1612
NSN 6145-01-280-1891
NSN 5895-01-202-8748
NSN 5925-01-425-2326