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 5985-01-444-4469
NSN 7035-01-218-6960
NSN 7035-00-104-7613
NSN 5915-01-160-2397
NSN 6685-00-641-3699
NSN 5945-01-437-8115
NSN 5915-00-946-2787
NSN 5960-00-351-4821
NSN 6650-01-557-4143
NSN 6145-00-903-4619
NSN 2925-00-617-0826
NSN 6110-00-533-8623