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 5895-00-918-5462
NSN 2925-01-484-8556
NSN 6240-01-280-5347
NSN 5990-01-307-4489
NSN 6645-00-321-6071
NSN 5905-01-287-6601
NSN 6135-01-400-2947
NSN 6650-00-155-5827
NSN 6320-01-201-2776
NSN 2925-00-254-9776
NSN 5999-00-294-4506
NSN 6130-00-855-2396