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 5999-01-281-4416
NSN 4140-00-736-8813
NSN 5915-01-426-8862
NSN 2925-01-172-0176
NSN 5945-00-864-8847
NSN 5999-00-144-4361
NSN 6320-01-185-3857
NSN 6645-00-155-2398
NSN 5915-01-654-4319
NSN 6240-01-372-5894
NSN 5985-00-167-2735
NSN 6130-01-332-8966