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 5905-01-425-0308
NSN 7035-01-391-7470
NSN 5975-01-073-9974
NSN 5960-00-821-8739
NSN 2925-00-574-8796
NSN 5996-00-601-6690
NSN 6620-01-160-3475
NSN 5905-01-265-3041
NSN 4140-00-738-8604
NSN 5930-01-472-7204
NSN 6650-01-419-3265
NSN 6610-00-273-9019