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 6240-00-753-2031
NSN 6685-00-337-5529
NSN 6135-01-322-4655
NSN 6105-00-331-7680
NSN 2925-01-386-7392
NSN 5999-00-445-6255
NSN 5975-00-156-5737
NSN 5998-00-597-7175
NSN 2925-01-622-8568
NSN 6110-00-451-5223
NSN 6105-00-010-2386
NSN 5985-01-351-7401