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 5895-01-401-5388
NSN 5990-01-347-6080
NSN 6645-01-383-6514
NSN 5960-00-901-5745
NSN 5920-01-153-0759
NSN 5999-00-757-7042
NSN 5910-01-633-6937
NSN 5999-01-648-5272
NSN 5965-01-633-8849
NSN 5925-00-529-3950
NSN 6610-00-935-7131
NSN 6145-00-017-9707