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 5905-01-564-4142
NSN 5945-01-510-5730
NSN 6620-00-837-9484
NSN 6620-00-663-8962
NSN 5925-00-936-1628
NSN 6650-00-527-7451
NSN 4140-00-635-9195
NSN 5905-01-382-6436
NSN 6135-01-010-0891
NSN 6145-00-826-9574
NSN 2925-00-406-4381
NSN 6130-00-801-5359