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 6130-01-319-8209
NSN 5920-01-390-4309
NSN 5990-01-069-8649
NSN 7035-01-423-8343
NSN 6110-01-415-3542
NSN 6320-01-305-5881
NSN 7035-01-633-9537
NSN 5895-00-246-1988
NSN 6240-01-441-8368
NSN 6240-01-620-2450
NSN 6130-01-501-7789
NSN 6320-01-478-9351