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 5915-01-391-7670
NSN 5915-01-024-6131
NSN 6650-01-627-0303
NSN 5975-01-452-2622
NSN 6145-01-207-2281
NSN 6685-01-042-6723
NSN 5950-01-011-9266
NSN 5945-01-367-4272
NSN 6105-01-633-2690
NSN 5920-01-535-7477
NSN 5990-00-186-2445
NSN 6145-00-617-4032