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 6645-01-534-5545
NSN 5990-00-557-8726
NSN 5945-01-063-6824
NSN 4140-01-206-0364
NSN 6610-01-485-3074
NSN 5985-01-628-3693
NSN 6685-00-155-4301
NSN 5925-01-254-2578
NSN 5965-00-921-8370
NSN 6145-00-419-0550
NSN 6135-01-651-3210
NSN 6130-01-430-2887