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 5835-00-279-6626
NSN 2925-01-408-9485
NSN 6105-01-571-2072
NSN 5945-00-222-7503
NSN 5905-00-415-1145
NSN 5996-00-259-0309
NSN 4140-00-127-5311
NSN 6135-01-627-6921
NSN 6105-01-269-1988
NSN 5985-01-556-0315
NSN 6645-00-406-2564
NSN 5998-01-283-7064