Between center hole diameter 1.504 inches and 1.506 inches . Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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 6645-00-831-6826
NSN 5990-00-459-5752
NSN 5950-00-036-6189
NSN 6320-01-384-7079
NSN 6685-01-528-7585
NSN 7035-01-026-0117
NSN 6320-00-853-1920
NSN 5985-01-580-0140
NSN 5930-00-272-8876
NSN 5855-00-631-4565
NSN 4140-01-465-4100
NSN 5990-01-472-2447