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 5999-00-057-7645
NSN 4140-01-471-5606
NSN 5975-00-827-3965
NSN 6320-00-925-0558
NSN 6650-01-498-0965
NSN 5915-01-325-2846
NSN 5965-01-474-2820
NSN 5930-01-508-7499
NSN 6145-01-220-8862
NSN 6110-00-808-4121
NSN 5915-01-425-2303
NSN 6320-01-262-8642