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 5905-01-069-2178
NSN 5965-00-815-2525
NSN 5905-00-582-1356
NSN 5930-00-665-4181
NSN 5935-01-248-8498
NSN 5960-01-425-1454
NSN 5920-01-225-0440
NSN 6240-01-575-5049
NSN 5855-01-284-7208
NSN 5920-01-415-0153
NSN 6240-01-303-4595
NSN 5990-00-232-3965