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 5910-01-505-5600
NSN 6220-01-161-2836
NSN 6685-00-100-4753
NSN 6645-01-364-2211
NSN 5855-01-120-7831
NSN 5960-00-838-7048
NSN 5895-00-353-1795
NSN 6135-01-361-1776
NSN 5835-01-202-9673
NSN 5905-01-436-2453
NSN 5999-01-478-0707
NSN 5998-01-184-9335