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 6240-00-466-0703
NSN 5998-01-579-6587
NSN 6320-00-831-2227
NSN 5960-00-140-9583
NSN 6240-01-218-3828
NSN 5930-00-509-2587
NSN 5925-01-235-8327
NSN 5855-01-495-2670
NSN 6685-01-567-7245
NSN 6240-01-583-2575
NSN 5990-00-441-7974
NSN 6645-01-272-3202