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 6240-01-176-4359
NSN 5965-00-066-7229
NSN 6620-01-135-0090
NSN 6320-00-456-0836
NSN 5999-01-209-6363
NSN 6145-01-067-2559
NSN 5925-01-129-7623
NSN 6135-01-624-3719
NSN 5999-01-164-6504
NSN 5915-01-050-2306
NSN 5915-01-192-3224
NSN 6650-00-565-1659