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 6320-00-643-0958
NSN 6610-01-498-0524
NSN 5975-01-437-6594
NSN 5925-00-205-2767
NSN 6620-00-025-1889
NSN 5855-01-177-4751
NSN 6135-00-369-2368
NSN 6240-01-053-0666
NSN 6645-01-044-1319
NSN 5935-01-462-4981
NSN 5905-00-833-7659
NSN 5905-01-019-3188