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 6130-01-444-8911
NSN 4140-00-314-1025
NSN 7035-01-455-7277
NSN 6240-01-421-9388
NSN 6645-01-359-1487
NSN 5895-00-402-3549
NSN 5905-01-420-6202
NSN 5905-01-246-5453
NSN 5965-01-239-4034
NSN 5999-01-644-4942
NSN 6620-00-858-1043
NSN 7035-01-271-1643