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 6620-00-366-1365
NSN 5999-01-576-3446
NSN 6145-01-653-4612
NSN 5945-00-408-0727
NSN 5920-01-484-9339
NSN 6610-01-564-7464
NSN 2925-01-588-3507
NSN 5960-00-499-6781
NSN 6610-01-386-7542
NSN 6620-01-194-2626
NSN 5925-01-200-2714
NSN 5920-01-501-5961