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 6645-01-145-7286
NSN 6105-01-024-2927
NSN 6110-01-129-5292
NSN 5996-00-017-8261
NSN 5999-01-415-0265
NSN 6320-00-643-0958
NSN 6220-01-276-6536
NSN 5945-01-429-7003
NSN 5975-00-001-9329
NSN 6145-00-937-8895
NSN 6145-01-211-3607
NSN 5925-01-148-4866