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 5925-01-656-7507
NSN 6220-01-248-2137
NSN 5950-01-362-9307
NSN 5960-01-144-5502
NSN 5985-01-020-6356
NSN 5895-01-116-3271
NSN 6135-01-386-5709
NSN 6685-01-481-8859
NSN 6620-01-201-8221
NSN 5945-00-785-6779
NSN 5996-01-519-3843
NSN 5996-01-367-2081