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 5855-01-267-2751
NSN 5975-00-263-3379
NSN 5996-01-067-8303
NSN 5855-01-381-7493
NSN 2925-00-041-0439
NSN 6105-00-974-8237
NSN 6320-01-240-4637
NSN 4140-01-251-4367
NSN 5945-01-449-1845
NSN 5945-01-284-1558
NSN 5960-01-364-1318
NSN 5990-01-041-8008