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 6620-01-540-4298
NSN 5905-01-062-4774
NSN 2925-01-399-2765
NSN 5998-01-657-8481
NSN 6135-01-388-2761
NSN 5975-00-234-3877
NSN 5920-01-186-0963
NSN 6685-01-645-6208
NSN 6650-01-119-4576
NSN 5990-00-344-2062
NSN 5950-01-185-4156
NSN 5960-01-088-6553