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 6645-01-052-8331
NSN 5915-01-473-2455
NSN 2925-00-914-7627
NSN 5965-01-168-8180
NSN 5925-00-899-8476
NSN 6130-00-296-1412
NSN 6135-01-535-2307
NSN 6145-00-757-9479
NSN 6240-00-113-5239
NSN 5975-01-237-4256
NSN 5925-00-891-1674
NSN 5905-01-645-5725