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National Stock Number:
4140-00-787-4443
Federal Supply Class:
4140
National Item Identification Number:
007874443
Description:
IMPELLER AND SHAFT DRIVEN ASSEMB
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Manufacturer Information:
| 23149 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 24087PC22 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 823-149-021 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | SHORT SHAFT COMPONENT OF MATCHING SET; POSITIVE DISPLACEMENT DESIGN; CW TO R CCW ROTATION; DUCTILE IRON IMPELLER; FIGURE EIGHT CONFIGURATION; 80 PERCENT INVOLUTE; NOM 3.992 IN. FROM TIP OF LOBE TO TIP OF LOBE ACROSS AXIAL CENTER; 1.773 IN. WIDTH OF LOBES AT MAX. POINT OF INVOLUTE; 1.993 IN. LG OF FACE PARALLEL TOSHAFT AXIS; 15/16 IN. DIA CORE HOLE EA LOBE CENTERED ON 2.5 IN. PITCH DIA CIRCLE CONCENTRIC TO SHAFT CENTER; SECURED TO SHAFT W/NO. 3 TAPER PIN; STAINLESS STEEL SHAFT; STEPPED AND GROOVED; 5-7/8 IN. LG O/A; FIRST END 0.5909 IN. DIA 4-5/8 LG TO GROOVE; 0.46 IN. RADIUS GROOVE 0.010 IN. DEEP; REMAINING LG STEPPED TO 0.5890 FINISHED DIA; DRILLED AND REAMED FOR NO. 4 TAPER PIN APPROX 3/8 IN FROM FINISHED END; IMPELLER MTD W/FACE POSITIONED Z-13/16 IN. FROM FINISHED END |
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