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 5935-00-485-7456
NSN 6110-00-227-0578
NSN 5930-01-432-1143
NSN 5975-00-914-5242
NSN 5935-01-518-8698
NSN 6320-01-451-0821
NSN 5925-00-375-5468
NSN 5975-01-537-6325
NSN 6135-00-519-1325
NSN 6650-01-578-8176
NSN 2925-00-592-2819
NSN 7035-01-575-6768