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 6220-01-231-7601
NSN 5975-01-243-2894
NSN 6130-01-023-8031
NSN 5930-01-255-3094
NSN 5835-01-252-5879
NSN 6240-00-299-9819
NSN 6610-01-122-0064
NSN 5910-00-118-9988
NSN 6145-00-070-2385
NSN 5960-01-323-6432
NSN 6135-01-222-0703
NSN 5835-01-248-4320