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 5915-00-132-5531
NSN 5925-01-454-8693
NSN 6620-00-299-2530
NSN 6240-01-406-5345
NSN 5895-01-521-7432
NSN 6620-01-502-1656
NSN 7035-01-026-0117
NSN 2925-01-359-4027
NSN 6685-00-246-5349
NSN 4140-01-463-9023
NSN 5835-01-463-2334
NSN 7035-01-003-1944