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 5910-01-624-4503
NSN 6610-01-202-7404
NSN 5945-01-257-8625
NSN 6240-00-281-8417
NSN 6145-00-116-2939
NSN 5996-01-005-1440
NSN 5996-00-920-4377
NSN 6135-00-009-4100
NSN 6150-00-226-0992
NSN 5965-00-106-3195
NSN 5895-01-634-0630
NSN 5960-01-358-9733