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 5965-00-156-8562
NSN 6645-01-286-3378
NSN 6105-01-137-9274
NSN 6240-01-230-2679
NSN 6130-00-442-2974
NSN 5930-01-042-3149
NSN 5895-00-731-4935
NSN 5910-00-394-9524
NSN 7035-01-145-5059
NSN 6130-01-318-6012
NSN 6145-01-544-5484
NSN 5960-00-081-1937