Specifications include, but are not limited to: GASKET,4IN,TEFLON OR HALON,PTFE GASKET, TEFLON OR HALON (PTFE), 4 INCH, 150 LB, 3/32IN THICK, REUSABLE, CORROSION AND BLOW OUT RESISTANCE, WITH PERFORATED 304 STAINLESS STEEL INSERT. HYDRANT,6IN,DRY BARREL,4.5FT BURY,DI,MJ HYDRANT, 6IN.,DRY BARREL,4-1/2 FT.BURY,DUCTILE IRON,MJ 5-1/4 MAIN VALVE OPENING, ONE 4-INCH PUMPER NOZZLE, TWO 2.5-7.5 NH OUTLET NOZZLES,OPENING TO THE LEFT (COUNTER CLOCKWISE), PAINTED ALUMINUM COLOR WITH POLY-SILICON ENAMEL SUCH AS KEELER & LONG "P" SERIES OR EQUAL. THE HYDRANT MUST MEET ANSI/AWWA STANDARD C502-85 OR LATEST REVISION. FIRE HYDRANTS SHALL HAVE 4-INCH TACOMA STANDARD THREADS ON THE PUMPER NOZZLE UNLESS SPECIFIED OTHERWISE. THE PUMPER NOZZLE SHALL BE THREADED INTO HYDRANT CASTING. THE DRIP BALVES ON ALL FIRE HYDRANTS MUST CLOSE COMPLETELY IN FOUR OR LESS REVOLUTIONS OF THE OPERATING NUT. APPROVED: CLOW "MEDALLION" KENNEDY "GUARDIAN K81D" M&H 929, "RELIANT" (CASTING DATE OF 1997 OR LATER) MUELLER "SUPEIOR CENTURION 250" U.S. PIPE "M-94" WATEROUS "PACER/WB67-250, TACOMA" USP,SENT J,O-RING,SEAT RING,#44 U.S. PIPE, SENTINEL SERIES J. 5 1/4 IN, ITEM NO. 44, O-RINGS, SEAT RING, RUBBER.