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 5895-01-425-8405
NSN 5985-01-342-4800
NSN 2925-01-500-0730
NSN 6620-01-242-9247
NSN 6685-01-545-3495
NSN 6105-01-628-3534
NSN 6110-01-222-2176
NSN 5935-01-336-6226
NSN 6105-01-076-4670
NSN 6620-00-411-4983
NSN 6320-01-434-6861
NSN 5910-01-556-0538