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 5855-01-333-9606
NSN 5950-01-536-9618
NSN 5998-01-476-6588
NSN 5910-01-569-1172
NSN 5930-01-514-6810
NSN 6135-00-840-6451
NSN 5985-00-690-9663
NSN 6150-01-006-2278
NSN 6240-01-462-5433
NSN 5996-01-400-3558
NSN 5996-00-952-7091
NSN 5998-01-484-0507