Item must comply with requirements of defense supply center philadelphia production standard no. Po0089nrp
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 5965-01-420-6613
NSN 5996-00-927-9922
NSN 5905-01-377-2638
NSN 5998-00-159-6124
NSN 5925-01-301-4392
NSN 6110-01-207-4543
NSN 5855-01-521-4836
NSN 4140-00-406-4369
NSN 5930-01-391-8112
NSN 5965-01-342-2865
NSN 5920-01-493-5567
NSN 6685-00-991-1264