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 5910-01-516-3787
NSN 6320-01-116-3980
NSN 5945-01-651-8654
NSN 5975-00-991-2385
NSN 6145-01-528-7853
NSN 2925-01-400-2286
NSN 5950-01-422-0467
NSN 6150-01-519-9309
NSN 5930-00-205-0136
NSN 6240-01-429-9826
NSN 6150-00-753-3950
NSN 5985-01-299-2957