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 6135-01-334-3935
NSN 4140-00-547-8918
NSN 6145-00-871-9112
NSN 5985-00-240-3720
NSN 5920-00-432-7643
NSN 5835-01-085-9591
NSN 4140-01-115-5163
NSN 6320-01-215-2284
NSN 6240-00-003-3352
NSN 6610-01-280-9729
NSN 5835-01-327-0770
NSN 5910-00-571-6854