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 6130-00-890-0553
NSN 5910-01-177-4623
NSN 4140-01-042-1347
NSN 6645-01-112-3242
NSN 5945-01-501-4872
NSN 6610-01-145-2569
NSN 6220-00-976-1473
NSN 6110-00-950-6065
NSN 5930-01-361-2498
NSN 2925-01-218-5556
NSN 5925-00-286-8502
NSN 5990-01-437-4876