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 6145-01-400-0478
NSN 5945-01-265-8589
NSN 6135-01-501-2407
NSN 5910-01-633-9184
NSN 6150-01-388-4398
NSN 5990-00-505-1546
NSN 4140-00-235-6377
NSN 5910-01-421-9817
NSN 6145-00-849-0583
NSN 6145-01-397-6210
NSN 5915-00-665-2854
NSN 6240-00-870-0423