4730-01-047-2973 (9 8IN S1 5142057102F57PN898INS1)
NSN 4730-01-047-2973 (NIIN 01-047-2973) is a pipe elbow in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. Manufacturer part number 9 8IN S1 5142057102F57PN898INS1; also referenced as 514 2057102 F57 P/N8,9 8IN (Naval Sea Systems Command); 514 2057102 F57 P/N8,9 8IN S1 (Naval Inventory Control Point).
Key specs: 1410 psi maximum single response operating pressure; full characteristics table below. NIIN assigned September 1977; DEMIL A (none required); unit of issue EA (each), $4,332.00 gov standard price.