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 5925-01-139-3151
NSN 6110-01-331-6957
NSN 5905-01-301-7643
NSN 6220-01-459-8017
NSN 5915-01-033-1010
NSN 5855-01-530-4147
NSN 6150-01-333-7608
NSN 5960-01-421-8175
NSN 5965-01-202-1007
NSN 7035-01-132-7209
NSN 6145-01-448-0832
NSN 5905-00-027-9919