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 5950-00-199-1757
NSN 5985-01-114-4453
NSN 5998-01-540-2520
NSN 6610-01-164-0589
NSN 6650-01-657-6493
NSN 7035-01-314-6428
NSN 6135-00-170-8819
NSN 4140-01-061-9849
NSN 5975-01-101-5348
NSN 5930-01-237-4051
NSN 5925-00-107-4234
NSN 5925-01-484-5519