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 5960-01-268-8674
NSN 6110-01-021-6712
NSN 5895-00-300-8059
NSN 5925-01-374-9249
NSN 6220-01-371-7456
NSN 6135-00-444-1402
NSN 5950-00-056-0795
NSN 6110-01-432-2442
NSN 6645-00-253-9617
NSN 6610-01-361-9988
NSN 6650-01-376-6965
NSN 6220-00-629-9271