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 2925-01-623-9285
NSN 4140-01-487-6227
NSN 5855-01-298-9835
NSN 5998-00-121-4616
NSN 5960-01-431-4291
NSN 6645-00-078-5126
NSN 2925-00-759-5465
NSN 5996-00-281-4500
NSN 6610-01-116-2527
NSN 6685-01-550-8554
NSN 5925-00-617-9927
NSN 6240-01-352-3642