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 6150-01-027-8505
NSN 5945-01-130-5905
NSN 6645-00-009-8811
NSN 5950-01-222-1021
NSN 6685-00-420-0027
NSN 6685-00-708-3221
NSN 2925-01-497-9381
NSN 5985-01-576-7419
NSN 6220-01-485-1001
NSN 6620-00-371-4834
NSN 5965-01-429-0881
NSN 6150-01-574-5352