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 5920-00-010-6652
NSN 5999-01-201-6454
NSN 5950-00-761-7830
NSN 5990-01-145-2878
NSN 6645-01-172-6838
NSN 6220-01-472-5863
NSN 5950-00-075-2377
NSN 7035-00-371-7749
NSN 5975-01-368-3062
NSN 5990-01-262-4068
NSN 6130-01-579-8084
NSN 6650-00-796-9972