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 6645-01-369-4371
NSN 5945-01-487-4127
NSN 6150-01-050-8268
NSN 5915-01-104-0481
NSN 6135-01-164-3561
NSN 5950-01-378-7042
NSN 5945-01-425-8059
NSN 5965-00-529-0602
NSN 5835-00-080-8213
NSN 5960-01-385-9361
NSN 2925-00-816-8765
NSN 5935-01-414-7474