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 6645-00-624-5963
NSN 2925-01-437-9041
NSN 5855-01-340-6541
NSN 6240-00-226-0462
NSN 5905-01-520-7582
NSN 5925-01-044-4782
NSN 5910-00-986-8972
NSN 6110-01-268-0418
NSN 5999-01-321-1925
NSN 5910-00-057-2695
NSN 6110-01-224-6954
NSN 6150-00-918-3900