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 6645-01-311-5481
NSN 6135-01-447-5082
NSN 6130-01-479-8168
NSN 5910-01-128-2942
NSN 6620-01-412-0938
NSN 5855-00-481-0019
NSN 5998-00-312-3060
NSN 6650-00-202-4540
NSN 6685-00-080-2110
NSN 6320-01-425-1417
NSN 5925-01-203-3233
NSN 6135-01-324-7718