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 5855-01-132-5139
NSN 6645-00-226-2270
NSN 6145-01-616-6190
NSN 5990-01-462-1617
NSN 5996-01-633-7979
NSN 2925-01-648-6859
NSN 6685-01-551-0542
NSN 6320-01-578-6006
NSN 5985-01-303-6574
NSN 2925-01-531-3872
NSN 2925-01-362-2515
NSN 6220-01-563-0330