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| Item Name | Impeller And Shaft |
| Federal Supply Group (FSG) | Refrigeration Air Conditioning and Air Circulating Equipment |
| Federal Supply Class (FSC) | 4140 Fans Air Circulators and Blower Equipment |
| National Item Identification Number (NIIN) | 00-787-4443 (007874443) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| SR-5 | MANUFACTURERS CODE | 51729 |
| SR-5 | THE MANUFACTURERS DATA | |
| SR-5 | DESIGN CONTROL REFERENCE | 823-149-021 |
| AGAV | III END ITEM IDENTIFICATION | BATTERY IGNITION BLOWER NO. 22,DRESSER INDUSTRIES INC.,ROOTS BLOWER AND VACUUM PUMP DIV,TYPE AF |
| TEXT | 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 |
| Relevant Components for NSN - 4140-00-787-4443, 4140007874443 | ||||
| 4140-01-356-5859 (4140013565859) | 4140-01-293-1324 (4140012931324) | 4140-01-531-1809 (4140015311809) | 4140-00-262-9921 (4140002629921) | |
| 4140-01-442-0204 (4140014420204) | 4130-01-365-9014 (4130013659014) | 4140-01-589-0093 (4140015890093) | 4130-01-448-9291 (4130014489291) | |
| 4140-01-447-0002 (4140014470002) | 4140-01-397-7739 (4140013977739) | 4140-01-418-6097 (4140014186097) | 4140-01-413-0674 (4140014130674) | |
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