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Type "AA" spool stainless steel 4 inch male camlock (Cam & Groove) coupler to 4 male camlock (Cam & Groove)
These gaskets are specifically for 1 1/2 inch NH A15DR60
Type "B" brass 2 inch female camlock (Cam & Groove) coupler to 2 inch male NPT threads
Jacket is tightly woven with ring spun polyester warp yarn with filament polyester fill yarn and is mildew resistant
Type "DP" brass 1 1/4 inch male camlock (Cam & Groove) dust plug
Knox Box FDC Lock 2 1/2" NH/NST Male Locking Cap Hose Size (ID)_1 3/4" Hoses Type "AA" spool stainless steelThe 3110 model with 2" NH threads (7. 5 TPI x 3. 068 OD) is the most widely used configuration however, thread patterns and sizes vary by jurisdiction, so always verify the correct specifications with your local fire department before ordering. Knox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 2 1 2"
