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 6685-01-512-0600
NSN 5950-01-434-9076
NSN 7035-00-206-5600
NSN 6150-01-232-3586
NSN 4140-00-421-9772
NSN 6610-00-979-0409
NSN 5895-00-252-3499
NSN 5945-01-318-6630
NSN 5998-01-152-4777
NSN 6110-01-207-9172
NSN 6620-00-106-9658
NSN 6685-01-107-9643