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 6650-00-353-4097
NSN 5935-00-917-0703
NSN 5915-00-142-6912
NSN 7035-01-114-3134
NSN 5945-01-437-8087
NSN 5835-01-602-0311
NSN 5925-01-220-6147
NSN 5985-00-101-0698
NSN 2925-01-603-0186
NSN 6645-01-545-2954
NSN 5930-00-997-2557
NSN 5975-01-127-5104