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 6145-01-609-4713
NSN 7035-00-421-0468
NSN 5925-01-160-9069
NSN 5855-01-473-4354
NSN 6135-00-162-2437
NSN 6650-00-937-9496
NSN 6620-00-936-3463
NSN 5990-01-374-3877
NSN 5999-00-107-5622
NSN 5960-01-167-2137
NSN 6135-00-057-2005
NSN 6130-00-900-8134