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 6240-00-269-9477
NSN 5950-01-250-8019
NSN 5935-00-160-1037
NSN 2925-00-816-8765
NSN 6685-01-623-4227
NSN 5855-00-446-5921
NSN 6110-00-001-4587
NSN 5925-01-328-0327
NSN 6145-01-543-4958
NSN 7035-01-580-0610
NSN 5895-01-444-0398
NSN 5985-01-007-6652