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 5925-01-493-6978
NSN 5985-01-335-2452
NSN 6645-01-538-9655
NSN 6650-01-625-7826
NSN 5998-01-228-8551
NSN 6620-01-374-4382
NSN 5950-01-265-6995
NSN 5999-01-577-0399
NSN 6320-00-725-0754
NSN 6105-01-415-3314
NSN 6320-01-116-3980
NSN 6645-01-174-9350