For yse with 1 3/4 in.V-flange ducting joints
No other part numbers with same form, fit, and function found.
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 6220-00-292-6775
NSN 5990-01-470-2565
NSN 6220-01-417-3330
NSN 5895-01-534-4772
NSN 5910-01-440-3450
NSN 5930-01-178-4403
NSN 5855-00-821-7512
NSN 5996-01-258-5888
NSN 5960-00-338-9164
NSN 5965-01-478-1175
NSN 6105-01-026-0165
NSN 6240-00-079-0112