Width of u-cup is 0.562
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 5910-01-419-2103
NSN 5910-00-155-8679
NSN 5930-01-155-3124
NSN 5975-01-535-7193
NSN 5920-01-033-8532
NSN 5945-01-444-2611
NSN 6220-01-326-4032
NSN 7035-01-411-6062
NSN 2925-01-040-6354
NSN 2925-01-515-2823
NSN 6320-01-233-5798
NSN 5975-00-917-4430