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 2925-01-254-3068
NSN 5905-00-036-6040
NSN 5925-01-341-5346
NSN 5950-01-573-0109
NSN 4140-00-122-6422
NSN 6130-01-116-2571
NSN 6145-01-592-5741
NSN 5998-01-444-0590
NSN 6145-01-371-2916
NSN 6145-01-137-9740
NSN 5990-00-115-5851
NSN 4140-01-384-3998