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 6135-01-399-8230
NSN 6135-00-505-0679
NSN 6240-00-172-5866
NSN 6220-00-858-0915
NSN 5925-01-544-4287
NSN 5895-00-828-1846
NSN 6135-00-321-6707
NSN 6320-00-456-2092
NSN 5975-01-592-9667
NSN 2925-01-004-5627
NSN 6320-00-937-5625
NSN 6320-01-330-8054