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 5975-01-045-7623
NSN 5999-01-324-0852
NSN 5905-01-506-2407
NSN 6645-01-025-1002
NSN 4140-00-126-4685
NSN 5965-01-569-6370
NSN 5965-01-360-6568
NSN 5925-01-442-1517
NSN 5975-01-230-2457
NSN 5965-01-195-2168
NSN 6610-00-277-7206
NSN 6650-01-565-1471