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 6620-00-246-5159
NSN 4140-01-618-6906
NSN 6685-01-215-1204
NSN 6130-01-197-9591
NSN 5895-01-100-1825
NSN 6610-01-316-1830
NSN 5996-01-333-8585
NSN 6320-00-403-6003
NSN 6220-00-138-5969
NSN 5905-01-170-3601
NSN 6610-01-487-4626
NSN 6240-00-370-5862