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 5985-01-423-0054
NSN 6145-00-097-9437
NSN 6685-00-923-4177
NSN 6105-01-049-8643
NSN 5990-01-432-4249
NSN 5985-00-708-9311
NSN 5975-01-353-6834
NSN 5950-00-458-8391
NSN 6110-00-235-6395
NSN 2925-01-656-8217
NSN 6645-01-274-0731
NSN 5965-01-479-9155