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 6240-01-543-9591
NSN 5925-01-090-5283
NSN 5835-01-498-9410
NSN 6685-01-014-2049
NSN 5855-01-318-7663
NSN 5965-01-557-8059
NSN 2925-00-118-2114
NSN 5960-00-003-2725
NSN 5990-01-218-5160
NSN 6685-01-197-8048
NSN 5950-01-353-9159
NSN 5835-01-246-0972