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 6645-01-383-8139
NSN 5950-00-148-5267
NSN 5905-01-246-4412
NSN 7035-00-860-9645
NSN 5985-00-816-8486
NSN 5950-01-382-5662
NSN 2925-00-986-8393
NSN 5920-01-167-9026
NSN 5960-01-123-8775
NSN 5920-01-190-6424
NSN 5985-01-057-3875
NSN 6220-01-144-5166