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 5990-01-272-4091
NSN 7035-01-563-6527
NSN 7035-00-470-4977
NSN 7035-01-396-3343
NSN 5990-01-285-4633
NSN 5895-01-609-5753
NSN 5965-00-950-0602
NSN 6135-00-542-6728
NSN 5960-00-078-8074
NSN 5985-01-361-4552
NSN 5990-01-384-2697
NSN 6110-00-609-2772