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 5920-01-312-6568
NSN 5950-01-435-6354
NSN 6110-00-753-7677
NSN 5855-00-862-3345
NSN 6645-01-438-4118
NSN 6610-01-089-2487
NSN 6135-01-642-4964
NSN 5996-01-383-4029
NSN 6620-00-363-7528
NSN 6645-01-575-2297
NSN 6135-01-656-0761
NSN 6110-00-442-7657