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 6145-01-399-8414
NSN 2925-01-226-6126
NSN 6110-01-321-6241
NSN 5998-00-930-0452
NSN 6650-01-100-3185
NSN 5835-00-847-7277
NSN 6135-01-230-4399
NSN 5895-01-102-7727
NSN 5960-01-117-6577
NSN 5998-01-111-9776
NSN 5960-01-573-6483
NSN 6610-01-525-8235