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 5905-01-577-5531
NSN 5965-01-217-5620
NSN 6110-00-216-8112
NSN 6220-01-432-2232
NSN 2925-01-570-8065
NSN 5925-01-542-4023
NSN 5915-01-088-4439
NSN 6320-01-498-4954
NSN 5998-01-005-6316
NSN 5990-01-291-6897
NSN 7035-01-452-4306
NSN 5945-01-491-0173