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 5905-00-148-8338
NSN 6240-01-237-1481
NSN 2925-00-749-8893
NSN 5910-01-561-3912
NSN 6105-01-322-8246
NSN 6150-01-426-6729
NSN 5910-00-712-3187
NSN 5985-00-803-7468
NSN 5905-01-352-8863
NSN 6220-00-227-0528
NSN 6620-01-530-1229
NSN 5915-00-951-9152