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 5975-01-259-4180
NSN 5950-01-212-9588
NSN 2925-01-137-4062
NSN 6645-00-230-4396
NSN 5935-00-618-6724
NSN 5910-01-610-0601
NSN 5965-00-732-8608
NSN 5998-01-386-5960
NSN 5920-01-305-2866
NSN 5950-00-288-5994
NSN 5999-01-651-4852
NSN 5930-01-152-6151