| Item Name | Indicator Electrical Tachometer |
| Federal Supply Group (FSG) | Instruments and Laboratory Equipment |
| Federal Supply Class (FSC) | 6620 Engine Instruments |
| National Item Identification Number (NIIN) | 01-278-8028 (012788028) |
| NCB Code | USA (01) |
| Manufacturer | Ametek Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABRY | Length | 9.000 INCHES NOMINAL |
| APSK | Scale Range | +0.1/+110.0 PERCENT REVOLUTIONS PER MINUTE ALL INDICATORS ALL SCALES |
| ASST | Pointer Type | INDICATING SINGLE POINTER |
| ACYN | Ac Voltage Rating | 5.0 VOLTS NOMINAL |
| BFQN | Display Type | LIQUID CRYSTAL |
| ZZZY | Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY REPAIR PARTS |
| CXCY | Part Name Assigned By Controlling Agency | N2 TACHOMETER INDICATOR |
| BFQP | Display Digit Quantity | 4 |
| MRC | Decoded Requirement | Clear Text Reply |
| AMNL | Presentation Type | DIAL AND DIGITAL DISPLAY |
| ABMZ | Diameter | 1.930 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
| ACYR | Dc Voltage Rating | 24.0 VOLTS NOMINAL |
| FEAT | Special Features | INDICATES ENGINE FAN SPEED; VACUUM SEALED 2 IN. CAN ASSEMBLY; WEIGHT NOT TO EXCEED 2.5LBS; WHITE LIGHTED; DIGITAL DISPLAY NOT REQUIRED TO FUNCTION AFTER AN EMP EVENT, DAIL AND POINTER ARE REQUIRED TO FUNTION;AFT95 |
| SUPP | Supplementary Features | TECH ORDER1C-135(K)R-4-4 FIG 2; PART OF THE PILOT/COPILOT FORWARD PANEL P/N 458-50046-508 AND -513 |
| ABWG | Scale Division Quantity | 23 SINGLE INDICATOR SINGLE SCALE |
| ASKN | Individual Marking | N2 % RPM; GREEN BAND 89 TO 95%; RED RADIAL MARKING AT 105% |
| AFRA | Contact Quantity | 10 |
| ASKX | Electrical Connection Quantity | 1 |
| ACDC | Current Type | AC/DC |
| AGAV | End Item Identification | KC135R |
| ASKZ | Electrical Connection Identifying Number | TO MATE WITH MS27484T12F98S |
| CRTL | Criticality Code Justification | FEAT |
| Relevant Components for NSN - 6620-01-278-8028, 6620012788028 | ||||
| 6685-01-496-6945 (6685014966945) | 6625-00-991-5146 (6625009915146) | 6695-01-165-6856 (6695011656856) | 6680-01-394-7022 (6680013947022) | |
| 6625-01-522-6958 (6625015226958) | 6685-00-756-9537 (6685007569537) | 6615-01-509-3109 (6615015093109) | 6605-01-382-7819 (6605013827819) | |
| 6625-00-133-7757 (6625001337757) | 6685-00-282-6671 (6685002826671) | 6685-01-611-3893 (6685016113893) | 6625-00-543-2919 (6625005432919) | |
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