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 6145-00-147-6422
NSN 2925-01-203-0493
NSN 6610-00-296-5007
NSN 5930-00-578-6967
NSN 6620-01-436-2715
NSN 5965-01-374-2376
NSN 5835-00-034-4976
NSN 6130-01-011-7376
NSN 6645-01-331-3364
NSN 4140-01-384-3890
NSN 5975-00-886-8200
NSN 6610-00-056-5889