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 5855-01-389-8884
NSN 5915-00-479-5586
NSN 6145-00-100-4358
NSN 2925-01-474-3363
NSN 5915-00-735-7986
NSN 5975-00-458-3038
NSN 5925-00-247-2076
NSN 2925-01-106-3552
NSN 5915-01-412-5984
NSN 5945-00-360-3873
NSN 5855-00-482-9876
NSN 5998-01-395-8578