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 5945-01-188-7224
NSN 5965-00-716-7078
NSN 5965-01-507-7464
NSN 2925-01-519-3221
NSN 6105-01-068-3045
NSN 6220-01-246-4285
NSN 5905-01-183-8497
NSN 2925-01-299-6967
NSN 6320-01-607-1491
NSN 5925-01-442-8589
NSN 6685-01-447-2226
NSN 5925-01-457-7605