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 6620-01-593-0817
NSN 6685-00-756-9537
NSN 5996-01-420-6525
NSN 6685-01-169-4850
NSN 5925-01-046-0614
NSN 5990-00-864-9690
NSN 6110-01-007-3790
NSN 5930-01-617-5940
NSN 5945-01-621-1655
NSN 6105-00-906-0637
NSN 5920-01-444-5029
NSN 5975-01-068-9477