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 2925-00-120-9302
NSN 5930-01-607-6620
NSN 5996-01-231-4361
NSN 6645-01-407-0204
NSN 6240-01-416-7138
NSN 5925-00-826-1628
NSN 5910-01-170-8267
NSN 6105-01-091-8873
NSN 6240-01-356-2934
NSN 2925-01-554-5246
NSN 6110-01-642-7212
NSN 6240-01-277-3762