Item must comply with requirements of defense supply center philadelphia production standard no. Po0128nrp
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 6620-00-906-9150
NSN 6610-01-493-6269
NSN 6220-01-336-7414
NSN 5975-01-547-2988
NSN 5950-01-147-5419
NSN 6130-01-397-7486
NSN 7035-00-408-0269
NSN 5998-01-408-6018
NSN 5905-00-234-9207
NSN 5945-01-538-5800
NSN 6650-01-018-3158
NSN 5930-01-216-1045