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 6645-01-078-4887
NSN 6620-01-127-7390
NSN 6135-01-222-0703
NSN 6610-00-881-5060
NSN 5999-01-499-6278
NSN 2925-01-399-2765
NSN 5930-01-495-0806
NSN 6240-01-555-8365
NSN 5935-00-127-2482
NSN 5965-00-831-2134
NSN 5950-00-470-1601
NSN 5998-00-089-0526