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 6110-00-871-6429
NSN 5990-00-416-9831
NSN 5910-01-468-5571
NSN 6610-00-341-7549
NSN 6685-01-613-2829
NSN 5905-01-100-1146
NSN 5975-01-031-7509
NSN 6220-01-498-5319
NSN 6145-01-168-4027
NSN 5975-00-215-4403
NSN 5990-00-281-4164
NSN 2925-00-917-2842