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 6650-00-804-2039
NSN 5925-00-811-2973
NSN 6645-01-275-2683
NSN 5935-01-469-5865
NSN 4140-01-098-8706
NSN 5905-01-318-9530
NSN 6620-01-350-5103
NSN 5835-00-612-1621
NSN 5975-01-011-9593
NSN 5915-01-487-6454
NSN 5935-01-415-2885
NSN 5965-01-254-3622