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 5965-00-241-6228
NSN 5930-01-437-6903
NSN 5975-01-435-6457
NSN 6135-01-430-3119
NSN 5960-01-160-3437
NSN 2925-00-679-8131
NSN 5835-01-029-5602
NSN 6620-01-222-0143
NSN 5895-01-483-1455
NSN 5905-01-181-6282
NSN 5925-01-609-9497
NSN 5975-01-498-7297