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.
NSN 6620-01-008-2715
NSN 4140-00-529-7463
NSN 5835-01-654-4570
NSN 6620-00-643-1402
NSN 2925-00-592-2819
NSN 6685-01-069-0088
NSN 5998-00-542-4889
NSN 5920-01-418-1821
NSN 6320-01-504-3948
NSN 6645-01-442-4032
NSN 6110-01-218-0689
NSN 2925-01-387-0870