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 6620-00-144-7201
NSN 6135-00-062-5080
NSN 5855-01-068-3683
NSN 6685-01-583-9352
NSN 5975-01-487-5954
NSN 6145-00-122-0205
NSN 2925-01-426-3410
NSN 6145-00-007-1620
NSN 6220-00-413-4585
NSN 7035-01-520-7243
NSN 6150-00-216-6542
NSN 5925-00-897-9911