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 5965-01-013-0290
NSN 5998-01-222-1279
NSN 5895-01-093-4607
NSN 5930-01-210-3130
NSN 6650-00-503-0906
NSN 5935-01-249-5345
NSN 2925-01-510-9378
NSN 5996-00-299-1609
NSN 5895-01-152-0943
NSN 5950-01-534-0364
NSN 6240-00-372-4841
NSN 6685-01-286-1375