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 6220-01-363-2762
NSN 6320-00-116-3658
NSN 5975-01-255-4626
NSN 6130-01-022-6258
NSN 6685-00-431-7755
NSN 6110-01-606-5387
NSN 5835-01-111-9838
NSN 6685-01-426-8929
NSN 5910-01-658-3406
NSN 7035-00-312-3055
NSN 5965-01-512-1815
NSN 6650-01-605-4399