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 5960-01-322-1337
NSN 6320-01-476-7702
NSN 5935-00-140-3354
NSN 6130-01-260-4213
NSN 6150-01-033-0042
NSN 5945-00-497-2641
NSN 6620-01-462-5196
NSN 5855-01-608-2417
NSN 6150-00-866-9404
NSN 5855-00-110-9341
NSN 5925-01-100-3631
NSN 6220-01-615-6268