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 5975-01-454-0145
NSN 6645-00-911-2999
NSN 6135-01-222-5464
NSN 5935-01-248-9612
NSN 6105-00-087-4943
NSN 6135-01-494-3607
NSN 5960-01-006-8469
NSN 5935-01-314-8496
NSN 4140-01-554-3726
NSN 5985-00-105-7686
NSN 7035-01-631-7017
NSN 6645-00-754-4108