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 6320-01-207-9038
NSN 6135-01-061-1862
NSN 6220-01-104-7803
NSN 6645-01-408-6568
NSN 5920-00-254-8429
NSN 5910-01-622-3590
NSN 6220-01-028-7419
NSN 7035-00-455-7666
NSN 6110-01-123-1079
NSN 6685-01-036-3317
NSN 5930-01-250-4769
NSN 5915-01-180-2870