| 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) | 00-663-4204 (006634204) |
| NCB Code | USA (00) |
| Manufacturer | Ametek Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ASST | Pointer Type | INDICATING SINGLE POINTER |
| FAAZ | Phase | SINGLE |
| ACYN | Ac Voltage Rating | 115.0 VOLTS NOMINAL |
| ACZB | Frequency Rating | 400.0 HERTZ NOMINAL |
| AKSF | Contact Type | PIN |
| ABMZ | Diameter | 3.250 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| CXCY | Part Name Assigned By Controlling Agency | ENGINE TACHOMETER |
| APSK | Scale Range | +0.1/+110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| ASKX | Electrical Connection Quantity | 1 |
| AFRA | Contact Quantity | 3 |
| ACDC | Current Type | AC |
| ASKZ | Electrical Connection Identifying Number | AN10066-10SL-3P |
| ASKN | Individual Marking | RPM |
| AMNL | Presentation Type | DIAL |
| ABRY | Length | 4.250 INCHES NOMINAL |
| ASPD | Pointer Finish | LUMINOUS SINGLE POINTER |
| Relevant Components for NSN - 6620-00-663-4204, 6620006634204 | ||||
| 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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