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 5985-01-542-3503
NSN 4140-01-195-9864
NSN 6685-00-218-1229
NSN 5925-00-139-2752
NSN 5950-01-536-5804
NSN 6645-01-417-3524
NSN 6620-00-791-0763
NSN 6320-01-493-4472
NSN 6610-01-473-1843
NSN 5855-00-885-8452
NSN 6240-01-122-0307
NSN 5895-00-361-2609