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 4140-00-510-0325
NSN 6150-00-216-6542
NSN 6645-01-262-1622
NSN 6240-00-808-7909
NSN 6110-01-595-5827
NSN 5930-00-126-7382
NSN 5905-01-634-0595
NSN 5999-01-315-6427
NSN 5905-00-959-3159
NSN 5965-00-170-8676
NSN 5975-00-989-7416
NSN 6130-00-520-4364