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 5950-01-256-6265
NSN 5925-01-183-3111
NSN 5910-01-529-8134
NSN 5915-00-731-3823
NSN 6685-00-068-2703
NSN 6620-01-158-1691
NSN 5910-00-074-3269
NSN 5915-01-540-4491
NSN 6145-00-799-1125
NSN 6220-01-445-7673
NSN 5990-01-215-5997
NSN 6130-01-111-9246