A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-250-4202
NSN 6685-01-468-5787
NSN 5920-00-734-5519
NSN 6135-00-613-1068
NSN 5895-01-037-1043
NSN 5925-00-146-8501
NSN 6320-00-790-4844
NSN 5975-00-262-0896
NSN 5975-01-552-4716
NSN 5920-01-055-2024
NSN 6645-01-332-7824
NSN 5915-01-526-2608