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 5975-01-382-8542
NSN 6220-00-163-1183
NSN 6110-01-294-0491
NSN 6130-01-167-3937
NSN 6650-01-350-5109
NSN 5925-01-321-8068
NSN 6130-00-027-5186
NSN 5975-01-176-6875
NSN 5965-00-356-3838
NSN 6130-01-033-3180
NSN 5999-00-899-6579
NSN 5935-01-125-1046