# NSN 6680-01-503-9443: Indicator, Electrical Tachometer

NSN 6680-01-503-9443 (also written 6680015039443; NIIN 01-503-9443) is an indicator, electrical tachometer in Federal Supply Class 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. 7 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6680-01-503-9443 (6680015039443)
- NIIN: 01-503-9443 (015039443)
- Item name: INDICATOR,ELECTRICAL TACHOMETER
- Federal Supply Class: [FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments](https://nsnexplorer.com/fsc/6680/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABGL | WIDTH | INCHES MINIMUM 4.250 AND INCHES MAXIMUM 4.750 |
| ANRL | MOUNTING ARRANGEMENT STYLE | — |
| APSK | SCALE RANGE | SINGLE INDICATOR ALL SCALES REVOLUTIONS PER MINUTE 0.1 TO 4000.0 |
| ASKX | ELECTRICAL CONNECTION QUANTITY | 2 |
| ASST | POINTER TYPE | SINGLE POINTER INDICATING |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | PANEL 1 AND THREADED STUD(S) 4 |
| BLKZ | MOUNTING STUD DIAMETER | INCHES NOMINAL 0.250 |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | INCHES NOMINAL 1.688 |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | INCHES NOMINAL 1.688 |
| ABTB | MOUNTING HOLE DIAMETER | INCHES NOMINAL 4.000 |
| ACDC | CURRENT TYPE | AC |
| ADAG | MOUNTING STUD LENGTH | INCHES MINIMUM 0.500 AND INCHES MAXIMUM 0.750 |
| AEJZ | DEPTH | INCHES MINIMUM 9.000 AND INCHES MAXIMUM 10.000 |
| AGAV | END ITEM IDENTIFICATION | PANEL,CONTR TRIM AND DRAIN 564-6409010-AY98;PANEL, CNTRL TRIM PUMP |
| AMNL | PRESENTATION TYPE | DIAL |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL---16034 TO 3A |
| HGTH | HEIGHT | INCHES MINIMUM 4.250 AND INCHES MAXIMUM 4.750 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | (DRAWING)CONTROL PANEL TRIM AND FWD PRIMING PUMP ASSEMBLY AND DETAILS(7067509);(DRAWING)TRIM PUMP CONTROL PANEL ASSEMBLY AND DETAILS(6409010) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 564-6409010 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 564-6409010-49 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 564-7067509 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 564-7067509-28 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H6516201-28 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-H-16034 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MR49W040ATVVH | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-21 | $3,066.13 | 4 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680015039443) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE4A126P1483](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680015039443) | INDICATOR, ELECTRICAL TACHOMETER | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | $12,264.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6680015039443&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680015039443
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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