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 5960-01-657-5958
NSN 5975-01-219-5735
NSN 5999-01-183-2184
NSN 5925-00-152-9399
NSN 5905-01-438-5285
NSN 5945-01-053-5550
NSN 6145-00-311-8884
NSN 4140-00-451-8374
NSN 5975-01-179-3200
NSN 5905-01-522-4281
NSN 5965-00-644-0339
NSN 6320-01-642-2615