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 6110-00-752-2757
NSN 5925-01-582-6520
NSN 5855-00-135-0797
NSN 6610-00-186-9180
NSN 5990-01-558-4536
NSN 5996-01-564-4950
NSN 6620-01-245-0184
NSN 5905-00-633-8370
NSN 5895-01-378-2755
NSN 2925-00-969-8340
NSN 5998-01-601-7338
NSN 5855-01-384-3314