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 5925-01-393-3463
NSN 5990-01-507-1479
NSN 5935-01-470-9434
NSN 6650-00-751-9958
NSN 6145-00-539-9799
NSN 5930-00-647-4267
NSN 5965-01-272-4199
NSN 2925-01-157-9204
NSN 5925-01-631-8196
NSN 6135-00-932-3136
NSN 5998-00-244-8629
NSN 5905-01-289-7665