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 5935-01-540-5018
NSN 6685-01-470-3499
NSN 5950-00-452-7265
NSN 5905-00-166-9971
NSN 6150-01-243-3285
NSN 2925-00-115-5857
NSN 5950-01-581-1221
NSN 6220-01-424-6446
NSN 6105-01-578-7537
NSN 5910-01-222-2676
NSN 6610-01-555-8791
NSN 6650-00-796-4176