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 5950-00-540-9283
NSN 5855-01-485-4327
NSN 6620-00-663-8962
NSN 6130-00-189-8000
NSN 5855-01-067-7807
NSN 6320-00-646-3311
NSN 5999-01-166-4316
NSN 5985-01-230-5934
NSN 5855-00-237-4088
NSN 5905-00-080-6364
NSN 6320-01-506-9439
NSN 6240-00-713-0237