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 5998-01-420-9411
NSN 6135-01-098-3020
NSN 5945-00-052-2957
NSN 6620-00-905-6590
NSN 5935-01-541-5104
NSN 6220-01-552-0808
NSN 5930-01-237-7363
NSN 6650-00-629-8027
NSN 5935-01-408-0354
NSN 6135-01-148-8531
NSN 6130-00-766-5755
NSN 5985-00-529-0093