| Item Name | Generator Engine Accessory |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2920 Engine Electrical System Components Nonaircraft |
| National Item Identification Number (NIIN) | 00-428-4157 (004284157) |
| NCB Code | USA (00) |
| Manufacturer | Ambac International Corporation, United Technologies Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| GRB640C203 | ambac international corporation | generator engine accessory | 01843 | RFQ |
| GRB640A203 | ambac international corporation | generator engine accessory | 01843 | RFQ |
| GRB640B203 | ambac international corporation | generator engine accessory | 01843 | RFQ |
| GRB640B203 | united technologies corporation | generator engine accessory | 24956 | RFQ |
| GRB640A203 | united technologies corporation | generator engine accessory | 24956 | RFQ |
| GRB640C203 | united technologies corporation | generator engine accessory | 24956 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.782 INCHES NOMINAL |
| AAVL | PILOT DIAMETER | 3.247 INCHES MINIMUM AND 3.249 INCHES MAXIMUM |
| ABGC | SLOT WIDTH | 0.500 INCHES NOMINAL |
| ABGD | SLOT LENGTH | 1.125 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 0.750 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.156 INCHES NOMINAL |
| ABVA | UNTHREADED PORTION LENGTH | 1.250 INCHES NOMINAL |
| ADER | MOUNTING STYLE | FLANGE MTD W/TWO MTG SLOTS AND ONE MTG HOLE |
| ADPY | PILOT HEIGHT | 1.062 INCHES NOMINAL |
| AFYS | KEYWAY LENGTH | 0.750 INCHES NOMINAL |
| AGAW | CENTER TO CENTER DISTANCE BETWEEN MOUNTING SLOTS | 3.625 INCHES NOMINAL |
| AHZV | SUBMERSIBILITY | NONSUBMERSIBLE |
| AKCT | SHAFT ROTATION DIRECTION | CLOCKWISE OR COUNTERCLOCKWISE |
| ANTX | DISTANCE FROM END TO KEYWAY CENTER | 1.344 INCHES NOMINAL |
| AWDP | THREAD DIAMETER | 0.500 INCHES NOMINAL |
| BCGD | ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1070 |
| BCGF | MAXIMUM OUTPUT CURRENT RATING IN AMPS | 40.0 |
| BCGG | MINIMUM CURRENT CUT-IN SPEED IN RPM | 600 |
| BCGN | GROUNDING METHOD | INTERNAL |
| BCGS | SHAFT DRIVE END STYLE | STRAIGHT SHAFT END,THREADED,W/KEYWAY |
| BCGT | COTTER PIN HOLE | INCLUDED |
| BCLY | DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.062 INCHES NOMINAL |
| BCMH | BOTTOM MOUNTING HOLE DIAMETER | 0.469 INCHES NOMINAL |
| BCMJ | CENTER TO CENTER DISTANCE BETWEEN TOP MOUNTING SLOT AND BOTTOM MOUNTING HOLE | 5.875 INCHES NOMINAL |
| BCND | MAXIMUM RATED ARMATURE SPEED IN RPM | 6000 |
| BZRR | THREAD SERIES | UNF |
| CFHL | THREAD CLASS | 2A |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| ELEC | VOLTAGE IN VOLTS | 6.0 |
| Relevant Components for NSN - 2920-00-428-4157, 2920004284157 | ||||
| 2990-01-375-8177 (2990013758177) | 2915-00-150-7331 (2915001507331) | 2920-00-324-3685 (2920003243685) | 2920-00-741-6529 (2920007416529) | |
| 2995-00-915-7733 (2995009157733) | 2940-01-686-2924 (2940016862924) | 2910-01-359-9944 (2910013599944) | 2915-00-367-9295 (2915003679295) | |
| 2995-00-798-8304 (2995007988304) | 2990-00-169-2920 (2990001692920) | 2930-00-322-9520 (2930003229520) | 2995-00-004-1343 (2995000041343) | |
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