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 5905-01-147-6277
NSN 6220-01-406-3167
NSN 5905-00-872-3252
NSN 5990-00-505-1546
NSN 5996-01-224-5515
NSN 5965-00-529-0602
NSN 6645-01-504-3394
NSN 6135-00-078-9931
NSN 6220-01-500-1857
NSN 6150-01-045-2126
NSN 5965-00-324-2428
NSN 6135-01-351-2690