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 5930-00-127-4224
NSN 5975-00-573-3510
NSN 5925-01-202-8352
NSN 7035-01-366-5912
NSN 6645-01-123-7563
NSN 5945-00-737-3195
NSN 5975-01-238-4687
NSN 5935-00-573-1347
NSN 2925-00-075-2714
NSN 5925-01-327-5728
NSN 6150-01-456-2674
NSN 6685-01-413-9362