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 5935-00-808-0618
NSN 5910-01-287-7539
NSN 6320-01-116-3980
NSN 6150-01-385-9704
NSN 5950-01-229-4467
NSN 6220-01-374-6667
NSN 6110-01-265-5040
NSN 2925-01-574-4413
NSN 5905-00-687-0989
NSN 6610-01-555-8791
NSN 5930-01-479-0054
NSN 6610-01-574-0050