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 6320-01-519-0916
NSN 6135-00-027-3914
NSN 6620-01-236-6290
NSN 5985-01-054-5561
NSN 6320-00-937-5625
NSN 6145-01-185-7803
NSN 6610-00-981-5682
NSN 5998-00-670-0369
NSN 5985-00-451-3319
NSN 5855-00-337-3679
NSN 4140-00-469-6995
NSN 6685-01-168-6261