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 2925-01-439-4451
NSN 5945-00-177-4676
NSN 5996-01-142-8114
NSN 6110-01-390-6748
NSN 5950-01-658-7180
NSN 5835-01-216-7289
NSN 5950-01-006-8611
NSN 6130-00-548-2952
NSN 4140-01-260-8009
NSN 5895-01-036-4430
NSN 6105-01-557-8315
NSN 5925-01-460-9621