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 6145-00-757-9479
NSN 5950-00-771-1610
NSN 6150-01-254-3625
NSN 6105-01-556-2061
NSN 6645-00-519-1026
NSN 6135-01-508-6083
NSN 6150-01-634-0575
NSN 5930-01-396-2024
NSN 5996-00-556-2479
NSN 5855-00-403-1031
NSN 5999-00-377-5726
NSN 2925-00-759-5465