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 5975-00-389-6958
NSN 6110-01-412-9334
NSN 5935-01-461-3645
NSN 5990-01-177-2838
NSN 6135-00-613-1068
NSN 5905-01-535-7145
NSN 6620-01-322-8382
NSN 2925-01-440-9912
NSN 5990-01-008-9900
NSN 5950-01-480-7034
NSN 6240-01-130-5141
NSN 4140-01-415-5595