The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-799-9331, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Custom Metering Company Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-799-9331 |
| Primary Part Number | MMI 10464 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Custom Metering Company Inc |
| Status | ACTIVE |
| Current Type | DC |
| Electrical Connection Quantity | 2 |
| Supplementary Features | CONTACT TYPE: CONNECTOR, RECEPTACLE |
| Scale Range | -0.1 TO 8000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Contact Quantity | 2 |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Presentation Type | ELECTRON TUBE |
| Height | 3.070 INCHES NOMINAL IN |
| Depth | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MMI 10464 PRIMARY | Custom Metering Company Inc (USA) |
| Reference | Meaning |
|---|---|
| 460TN182398 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
| 460-182398 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
| 460TN182398 | 5/1 Secondary reference Custom Metering Company Inc |
NSN 6680-00-799-9331 is a Indicator,electrical Tachometer, manufactured by Custom Metering Company Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-799-9331 has 1 manufacturer part number on file: MMI 10464 (Custom Metering Company Inc).
Key specifications for MMI 10464: Current Type: DC; Electrical Connection Quantity: 2; Supplementary Features: CONTACT TYPE: CONNECTOR, RECEPTACLE; Scale Range: -0.1 TO 8000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.