Item must comply with requirements of defense supply center philadelphia production standard no. Po0036nrp
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6650-00-760-1385
NSN 6240-01-010-2991
NSN 5996-00-945-8928
NSN 5975-00-204-9190
NSN 7035-01-240-4998
NSN 4140-00-521-0380
NSN 6620-01-192-6186
NSN 6240-01-503-5809
NSN 6685-00-287-7564
NSN 5925-01-223-6382
NSN 5975-00-052-2696
NSN 6645-01-488-5466