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 5925-01-240-0576
NSN 5975-01-025-5794
NSN 6645-01-361-7635
NSN 6650-01-204-7841
NSN 6610-01-333-2381
NSN 5920-01-112-9212
NSN 6650-00-891-9850
NSN 5990-00-707-0731
NSN 6685-00-929-6093
NSN 6145-00-233-6010
NSN 5985-00-014-5838
NSN 5835-01-529-3050