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 5925-01-024-9568
NSN 6610-00-753-2281
NSN 6110-00-269-2696
NSN 6135-00-255-1340
NSN 5996-00-505-3693
NSN 5998-01-376-4911
NSN 5855-01-133-3587
NSN 6220-00-801-0801
NSN 5905-00-104-8369
NSN 6320-01-166-3602
NSN 5945-00-078-4792
NSN 5915-01-415-2477