Part Number: 1377PMOT (Ne) Part Number: 1377P-MOT1 (Ne) Part Number: 1377P-MOT2 (Ne) Part Number: 1377R (Ashcroft - 1377r - meters & gaug) Part Number: 1377RSXTD (Gage pressure) Part Number: 1377S (No description) Part Number: 1377-SA (Gage pressure 4 1/2 dial 0-500 p) Part Number: 1377-SD (Gauge press 4 1/1 dial 0-6000 ps) Part Number: 1377SS (Available) Part Number: 1377SS-0-15PSI (No description) Part Number: 1377TAL0S (Ne) Part Number: 1377TAS0-3000 (No description) Part Number: 1377-TL (Ne) Part Number: 13-780 (Philmore)