: item must comply with requirements of defense supply center philadelphia production standard no. Po011999950.
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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6645-01-250-2702
NSN 5945-01-265-8589
NSN 5855-01-295-2313
NSN 6145-00-293-5097
NSN 6110-01-224-7502
NSN 6240-01-345-3438
NSN 6610-01-537-0816
NSN 4140-01-444-2083
NSN 5990-01-400-3299
NSN 5925-00-275-7599
NSN 6145-01-511-2875
NSN 5925-00-476-6630