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 4140-01-290-4026
NSN 5855-00-908-6402
NSN 6145-01-448-9332
NSN 6105-01-163-8827
NSN 6130-01-333-2332
NSN 6645-01-238-2718
NSN 5925-01-574-3512
NSN 5985-00-902-6866
NSN 5998-00-481-4383
NSN 5930-01-619-8845
NSN 7035-01-167-2241
NSN 6220-00-507-9831