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 6645-00-033-8714
NSN 6220-01-421-9928
NSN 2925-01-239-6044
NSN 5935-01-508-6978
NSN 6320-00-036-3688
NSN
NSN 6320-01-449-1014
NSN 6220-00-081-6429
NSN 5905-00-180-2549
NSN 6135-00-862-5736
NSN 5965-01-359-0384
NSN 6145-01-392-1146