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 5930-01-327-5060
NSN 5975-01-658-1428
NSN 6610-00-670-6080
NSN 6320-00-476-6898
NSN 5975-00-505-2101
NSN 5975-01-093-3890
NSN 5905-01-043-3416
NSN 6645-01-361-2829
NSN 4140-01-408-7232
NSN 5990-01-285-4633
NSN 5920-00-088-4674
NSN 6650-01-395-5991