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 5920-00-549-2203
NSN 5945-00-515-2192
NSN 5835-01-013-9321
NSN 5905-00-199-2427
NSN 6620-01-127-6306
NSN 6645-01-602-0000
NSN 6320-01-429-9871
NSN 5985-01-415-2825
NSN 6645-01-063-8243
NSN 7035-00-631-3782
NSN 6320-00-082-5868
NSN 5915-01-244-3616