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 5920-00-291-1379
NSN 5990-01-633-9503
NSN 6650-01-077-2340
NSN 7035-01-227-2546
NSN 5950-00-170-6790
NSN 5990-01-116-2181
NSN 5945-01-014-7051
NSN 6320-01-177-3192
NSN 6620-00-643-1402
NSN 6150-01-575-1480
NSN 6135-00-246-0324
NSN 5950-00-665-5103