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 5915-00-911-9893
NSN 5920-00-155-2173
NSN 5996-01-163-8739
NSN 6645-01-650-5735
NSN 5915-01-221-0363
NSN 5905-01-249-2206
NSN 6650-00-103-3239
NSN 5935-01-525-9725
NSN 5915-01-168-6570
NSN 5855-00-014-5008
NSN 5925-01-020-7706
NSN 6620-01-602-8402