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 6320-01-029-4220
NSN 5915-01-335-3431
NSN 6135-01-222-0703
NSN 5925-00-111-1969
NSN 6645-01-103-0901
NSN 6130-01-207-2037
NSN 7035-00-405-3502
NSN 5990-01-034-6717
NSN 6220-00-771-6580
NSN 5960-00-602-9906
NSN 6110-00-906-2540
NSN 6240-01-003-8666