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 6610-01-503-8914
NSN 5910-01-480-4492
NSN 5835-00-909-1286
NSN 6620-01-131-3201
NSN 6130-00-428-3787
NSN 6645-01-320-3311
NSN 6240-00-818-1364
NSN 5905-01-451-7391
NSN 5835-01-224-2792
NSN 4140-01-138-6950
NSN 6320-01-412-2973
NSN 6685-01-429-8922