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 6320-00-931-4855
NSN 5905-01-367-0509
NSN 6110-00-007-6453
NSN 5990-00-933-0526
NSN 5930-01-188-4861
NSN 5910-01-031-3213
NSN 5935-01-024-2782
NSN 6685-01-439-5388
NSN 2925-00-603-9371
NSN 5910-00-256-1344
NSN 6610-01-527-1599
NSN 5975-00-100-8721