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 5905-01-530-5215
NSN 5990-00-548-6163
NSN 6105-00-527-2193
NSN 5985-01-161-4800
NSN 5925-01-539-0576
NSN 5895-01-007-4497
NSN 6220-01-172-1277
NSN 5965-00-583-4865
NSN 6240-01-506-0304
NSN 5985-01-534-3118
NSN 5910-00-784-5178
NSN 4140-01-426-8428