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 6240-00-944-4727
NSN 6645-01-445-5235
NSN 5985-01-104-5450
NSN 6645-01-040-1402
NSN 6110-01-318-6537
NSN 5910-01-496-8504
NSN 6135-00-299-6918
NSN 6685-01-627-9606
NSN 6620-00-783-9560
NSN 6645-01-184-0725
NSN 6240-01-210-4217
NSN 6320-00-456-0836