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 6645-01-188-4940
NSN 5950-01-512-6199
NSN 5999-00-432-9512
NSN 5855-01-466-5353
NSN 5996-01-384-2115
NSN 5915-00-779-8307
NSN 5999-01-490-0944
NSN 7035-01-464-9367
NSN 6650-00-818-8403
NSN 6320-00-931-4855
NSN 2925-01-520-4194
NSN 5920-01-431-9364