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 5835-01-126-2480
NSN 5910-01-544-4410
NSN 6130-01-152-6718
NSN 5999-01-463-2280
NSN 6650-00-976-2507
NSN 6240-00-522-3998
NSN 5960-00-170-9614
NSN 6650-01-519-8905
NSN 5975-01-121-8151
NSN 6645-00-641-3202
NSN 6130-00-277-7321
NSN 6145-01-574-3237