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 2925-01-139-5144
NSN 6620-01-431-9176
NSN 5950-01-015-7785
NSN 5999-00-144-7698
NSN 5855-00-911-1370
NSN 5990-00-853-1123
NSN 6320-01-229-6479
NSN 5960-01-354-0762
NSN 5935-01-158-7134
NSN 5925-01-118-3866
NSN 5950-01-503-8388
NSN 5985-00-879-9680