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 6150-01-171-6192
NSN 6240-00-316-3167
NSN 5855-00-922-6459
NSN 5950-00-250-4952
NSN 5925-01-385-3285
NSN 6645-01-495-0939
NSN 2925-01-430-4206
NSN 6130-00-281-5978
NSN 5960-01-428-7300
NSN 5999-01-027-0773
NSN 5915-00-745-7619
NSN 4140-01-512-4760