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 6650-01-267-3223
NSN 6240-00-514-3507
NSN 6145-01-101-6178
NSN 6220-01-073-5482
NSN 5925-01-465-0601
NSN 6145-00-635-9957
NSN 6685-00-204-6037
NSN 5996-01-569-0179
NSN 6135-01-231-4809
NSN 6110-00-435-2331
NSN 2925-01-022-8332
NSN 5895-00-518-4954