Viking® VK1181, Conventional, 5.6K, Standard, SR, 1/2" NPT, Brass, 175 Degree 23907AD Fire Sprinkler Head ST21N00000 Both the pendent and horizontal

Both the pendent and horizontal sidewall styles

49-781-1-500

50-510-6-200

Manufacturer Part Numbers:  56-000-1-079

FDCs are UL Listed and FM Approved in accordance with NFPA

Viking® VK1181, Conventional, 5.6K, Standard, SR, 1/2" NPT, Brass, 175 Degree 23907AD Fire Sprinkler Head ST21N00000 Both the pendent and horizontalViking VK1181, Conventional, 5. 6K, Standard, SR, 1 2" NPT, Brass, 175 Degree 23907AD Fire Sprinkler Head The Viking Standard Response Conventional VK1181 Sprinklers are small, thermosensitive, glass bulb spray sprinklers available in several different finishes, temperature ratings, and K factors to meet design requirements. The special Polyester, and Electroless Nickel Polytetrafluoroethylene (ENT), coatings can be used in decorative applications