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 6130-01-576-9618
NSN 5985-00-314-5213
NSN 6650-01-506-5636
NSN 5930-00-296-9940
NSN 6110-01-235-6021
NSN 6150-00-146-3746
NSN 6240-00-932-1331
NSN 6130-01-655-0786
NSN 5975-00-920-6514
NSN 5925-01-371-1360
NSN 5975-00-122-3228
NSN 6220-01-215-2179