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 5990-01-176-2724
NSN 6220-00-719-7714
NSN 5915-01-250-1217
NSN 5835-01-256-3166
NSN 6240-01-152-2662
NSN 5975-00-944-1936
NSN 5950-01-412-9011
NSN 5915-00-498-5866
NSN 6150-00-054-4685
NSN 5950-01-361-2196
NSN 2925-01-100-3694
NSN 5855-01-010-4921