NSN 4320-01-338-2277

Part Details | ROTARY PUMP GEAR ROTOR SET

4320-01-338-2277 A pump rotor or impeller consisting of two gears, the outer gear having internal teeth (lobes) and the inner gear having external teeth (lobes). The inner gear has one or two teeth less than the outer gear, and is mounted to mesh eccentric with the outer gear. The space between the teeth of the two meshing gears creates a positive displacement of fluids from the inlet port to the outlet port of the rotary pump.

Alternate Parts: N1973311, N197331-1, N1973311, N197331-1, N1973311, N197331-1, N1973311, N197331-1, N1973311, N197331-1, 4320-01-338-2277, 01-338-2277, 4320013382277, 013382277

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43APR 28, 199101-338-227761764 ( GEAR ROTOR SET, ROTARY PUMP )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4320-01-338-2277
Part Number Cage Code Manufacturer
N197331-176301BOEING COMPANY, THEDBA BOEING
N197331-1U0J60ONTIC ENGINEERING & MANUFACTURING UKLIMITED
N197331-145934ONTIC ENGINEERING AND MANUFACTURING,INC.
N197331-1K4358SAFRAN ELECTRICAL & POWER UK LTD
N197331-127541TRANSAERO, INC.
Technical Data | NSN 4320-01-338-2277
Characteristic Specifications
COMPONENT QUANTITY2
NONSUPPLY ITEMS AND QUANTITIES76301 N197331-1 GEAR 2
SPECIAL FEATURESOUTER ROTOR CAST IRON GRADE 40;INNER ROTOR STEEL A.I.S.I. 8620;O/A DIA 1.4975;BORE DIA 0.500 IN.;O/A DIA INCLUDING KEYWAYS 0.632 IN.;2 KEYWAYS SET 90 DEG APART;WIDTH OF KEYWAY 0.095 IN.