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 5998-01-527-3432
NSN 5996-01-548-5362
NSN 6645-01-263-2618
NSN 6110-01-003-4607
NSN 6685-00-204-3174
NSN 6220-01-168-4796
NSN 5915-01-441-7857
NSN 6240-00-829-4179
NSN 6145-01-349-4918
NSN 5905-00-120-9274
NSN 4140-01-283-1275
NSN 6610-01-183-9141