OIL FLOW SIGHT GLASS, LOW PSI, PLUG TYPE WITH REFLECTOR, TAPERED PIPE THREADS, SOLID BRASS BODY,, SS REFLECTOR, CLEAR SIGHT GLASS AND, BUNA-N-SEALS, PIPE SIGHT HEX DIA. MAXIMUM, THREAD DIA FLAT PRESSURE, IN IN IN PSI, 1.11.1/2 31/32 1.7/16 7, TYPICAL EXAMPLE:, -MCMASTER CAR NO.: 1210K14, CAT.NO.: 102, PAGE 1270, -, NOTE (1):, NEW APPROVED PART NO: 1210K35