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 5905-00-669-3268
NSN 2925-01-267-1598
NSN 6145-01-484-8735
NSN 6145-01-487-7625
NSN 5985-01-070-9547
NSN 5935-01-163-7842
NSN 6240-00-117-9957
NSN 7035-01-633-1661
NSN 5999-01-305-9299
NSN 5920-01-441-9363
NSN 5996-01-484-3448
NSN 6320-01-084-7456