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 5965-01-310-3053
NSN 5975-01-421-2230
NSN 6685-01-620-9893
NSN 5905-01-212-2450
NSN 5905-01-506-8169
NSN 6220-01-481-3827
NSN 5999-01-056-4145
NSN 5915-00-078-9574
NSN 6610-01-172-4041
NSN 4140-01-012-2460
NSN 5975-01-544-2745
NSN 5905-00-578-7862