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 6110-00-849-2549
NSN 6145-01-113-8205
NSN 5975-01-449-1798
NSN 2925-01-341-9400
NSN 5985-01-440-9350
NSN 6650-01-379-3641
NSN 6105-01-099-0242
NSN 5945-00-323-8367
NSN 5915-01-206-5056
NSN 6135-01-625-0765
NSN 5975-00-819-7325
NSN 5935-01-257-7502