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 4140-00-287-3176
NSN 6150-01-417-7502
NSN 6145-01-604-6282
NSN 5950-00-222-6139
NSN 6620-01-357-7751
NSN 5998-01-628-0430
NSN 6135-01-604-8739
NSN 5999-00-905-7673
NSN 6320-01-039-5891
NSN 6135-00-735-8530
NSN 6130-00-402-8545
NSN 5999-01-659-2430