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 5910-01-296-5331
NSN 5925-01-445-6112
NSN 2925-00-964-7128
NSN 2925-00-428-6349
NSN 6320-01-176-8367
NSN 5975-01-424-9682
NSN 5915-01-484-0894
NSN 5945-01-256-8845
NSN 2925-01-187-5480
NSN 5910-01-552-5778
NSN 5990-00-991-8723
NSN 6620-01-091-9697