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 6130-01-418-3973
NSN 6645-01-242-0340
NSN 5905-01-337-4845
NSN 5905-01-014-7101
NSN 5935-01-641-6113
NSN 4140-01-559-0846
NSN 5935-01-370-5341
NSN 5855-00-014-5008
NSN 5925-01-316-3905
NSN 5990-01-446-9118
NSN 5925-01-397-4991
NSN 5930-00-212-8866