RASCO/Reliable® RA3614, Model KFR56, 5.6K, Pendent, QR, 1/2" NPT, Brass, 212 Degree, KFR56P2B, M2211132R9, Fire Sprinkler Head 23482BA/A Head Size: NPT stands for

Head Size:  NPT stands for National Pipe Thread

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Additionally

AJ15873998

Model KFR-CCS Combustible Concealed Space

RASCO/Reliable® RA3614, Model KFR56, 5.6K, Pendent, QR, 1/2" NPT, Brass, 212 Degree, KFR56P2B, M2211132R9, Fire Sprinkler Head 23482BA/A Head Size: NPT stands forModel KFR56 series sprinklers are standard spray, quick response sprinklers with a fusible link operating element. The sprinklers are cULus Listed, FM Approved, VdS Approved, and CE Certified. See Table C for available finishes. All KFR56 sprinklers have a nominal K factor of 5. 6 (80 metric). Item: RASCO Reliable RA3614, Model KFR56, 5. 6K, Pendent, QR, 1 2" NPT, Brass, 212 Degree, KFR56P2B, M2211132R9, Fire Sprinkler Head Available In Multiple