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 5999-01-281-3806
NSN 6135-01-480-8121
NSN 5990-00-816-9289
NSN 2925-00-225-5386
NSN 6110-01-653-7628
NSN 6130-01-265-2767
NSN 6650-01-450-7930
NSN 5905-01-554-9871
NSN 2925-01-527-1207
NSN 7035-01-053-4769
NSN 5915-01-400-6125
NSN 5990-01-516-9665