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 5950-01-167-8078
NSN 5990-01-525-2250
NSN 6320-00-108-7049
NSN 5965-00-172-5103
NSN 5855-00-586-6255
NSN 5905-01-033-9587
NSN 6220-01-163-6380
NSN 5950-01-517-7147
NSN 5960-00-723-2793
NSN 5925-00-113-5066
NSN 5945-01-273-3134
NSN 6620-01-146-6968