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 6220-00-628-4721
NSN 6620-00-905-6590
NSN 5835-01-005-2836
NSN 5985-01-412-0252
NSN 5905-00-293-8294
NSN 6105-01-532-4441
NSN 5905-00-710-9867
NSN 6150-01-100-3413
NSN 5920-00-869-6403
NSN 5990-01-101-7602
NSN 6645-00-226-2270
NSN 5965-00-879-7287