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 6645-01-152-1092
NSN 5925-01-415-6551
NSN 5985-00-880-4093
NSN 5910-01-455-4224
NSN 5990-01-171-3547
NSN 7035-00-572-7086
NSN 6145-01-485-4690
NSN 5999-00-203-5573
NSN 5945-01-634-0588
NSN 6145-00-914-1704
NSN 5835-01-422-7393
NSN 6685-00-832-9927