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 5975-00-945-3673
NSN 6240-01-213-3481
NSN 5930-01-148-3133
NSN 5935-01-487-8871
NSN 7035-00-408-8170
NSN 4140-01-497-6958
NSN 6320-01-578-6006
NSN 6650-00-862-2142
NSN 6685-01-180-9037
NSN 5925-01-319-1648
NSN 7035-01-112-4565
NSN 6620-00-986-0747