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 5990-00-491-1338
NSN 5835-01-512-4834
NSN 5965-00-170-5254
NSN 6130-01-610-2956
NSN 2925-01-631-2372
NSN 6135-01-036-3495
NSN 6685-01-029-1971
NSN 5835-01-143-9143
NSN 6650-01-132-2697
NSN 6620-01-608-6474
NSN 5935-01-442-7376
NSN 5945-01-113-7250