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 5985-00-100-0140
NSN 4140-00-269-5795
NSN 2925-01-599-1901
NSN 6150-01-222-1584
NSN 6685-00-500-6933
NSN 6110-00-538-1313
NSN 6105-01-122-4526
NSN 6610-01-150-5710
NSN 5996-01-158-5197
NSN 6240-00-612-0883
NSN 5925-01-052-7670
NSN 6220-00-314-9680