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 5999-01-386-4454
NSN 6620-01-209-1472
NSN 5835-01-373-9506
NSN 5985-01-330-0242
NSN 6685-01-421-4403
NSN 5950-00-842-0237
NSN 5985-01-076-1350
NSN 2925-00-054-3550
NSN 5950-00-005-0390
NSN 6220-01-027-1294
NSN 5855-01-062-5655
NSN 5920-00-378-1395