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 6240-01-545-8667
NSN 5996-00-832-9495
NSN 6145-00-338-5645
NSN 5990-01-160-6978
NSN 5999-01-411-4298
NSN 2925-01-172-9209
NSN 6220-00-809-3346
NSN 6130-01-515-6369
NSN 6685-00-250-5426
NSN 6145-01-078-2458
NSN 5985-01-311-9965
NSN 6105-01-369-6173