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 5905-00-878-9354
NSN 6320-00-925-0558
NSN 5935-00-621-4371
NSN 6130-01-408-8208
NSN 5910-01-172-2950
NSN 6320-01-006-6138
NSN 6620-00-933-3640
NSN 2925-01-277-5882
NSN 7035-01-478-5922
NSN 5905-00-170-1869
NSN 6240-00-161-8099
NSN 6650-01-411-6292