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 6145-01-576-9609
NSN 6685-01-212-3259
NSN 6130-01-116-2571
NSN 2925-01-651-8683
NSN 5835-01-132-5894
NSN 5975-00-609-5601
NSN 5996-01-367-6557
NSN 5975-00-908-4617
NSN 6645-01-484-9847
NSN 6685-01-295-5531
NSN 5996-01-375-6938
NSN 7035-01-067-4809