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 5965-01-647-3175
NSN 5920-00-269-4060
NSN 4140-01-325-6972
NSN 2925-00-247-6248
NSN 5975-01-029-4879
NSN 7035-01-364-8454
NSN 5920-01-564-4873
NSN 5895-00-449-3380
NSN 5925-01-345-3777
NSN 5998-01-038-4684
NSN 5910-01-372-0804
NSN 5996-01-485-0305