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 6620-01-367-0844
NSN 5975-01-148-1763
NSN 6685-01-075-7866
NSN 5855-01-350-5540
NSN 6610-01-565-4769
NSN 7035-01-227-2546
NSN 5895-01-576-3259
NSN 6220-01-581-7352
NSN 5855-01-277-1663
NSN 5960-00-936-3334
NSN 2925-01-633-4048
NSN 5985-01-123-8667