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 6645-01-022-8400
NSN 6320-01-262-8642
NSN 6320-01-285-1922
NSN 5945-00-206-2774
NSN 5925-01-139-3866
NSN 5950-01-512-9785
NSN 5855-00-237-4088
NSN 5965-01-509-6016
NSN 6620-00-606-0446
NSN 6320-01-624-0193
NSN 6150-00-039-8810
NSN 5925-00-943-4489