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 5975-00-985-2748
NSN 6150-01-470-2349
NSN 4140-01-105-4823
NSN 6645-01-528-7152
NSN 5998-01-181-8204
NSN 6110-01-175-5314
NSN 5975-01-411-3684
NSN 7035-01-640-9236
NSN 2925-00-432-1807
NSN 5920-01-629-8048
NSN 6150-00-558-5508
NSN 5915-00-472-1092