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 5960-00-148-4493
NSN 5990-01-003-2627
NSN 6110-01-541-7029
NSN 5920-01-472-3583
NSN 5905-00-468-8008
NSN 5910-01-147-6084
NSN 6135-01-351-2690
NSN 5910-01-123-2037
NSN 5945-00-867-1710
NSN 4140-00-472-3883
NSN 6130-00-004-6865
NSN 5999-01-304-6760