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 5910-00-952-1549
NSN 7035-00-946-2642
NSN 5895-01-443-8884
NSN 5910-01-085-3242
NSN 5915-00-875-2101
NSN 6240-00-818-1364
NSN 5998-01-202-7393
NSN 6130-01-267-2767
NSN 5998-00-415-3977
NSN 5895-00-669-5603
NSN 5835-01-447-2544
NSN 2925-01-356-6017