The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-171-9732, 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 Dynalec Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-171-9732 |
| Primary Part Number | U4G-33 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Length | 5.438 INCHES NOMINAL IN |
| Current Type | DC |
| 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 |
|---|---|
| U4G-33 PRIMARY | Dynalec Corporation (USA) |
| U4GA ITEM 9 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| U4GA ITEM 9 | 5/9 Secondary reference The Electric Tachometer Corp. |
| U4G-33 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 6680-01-171-9732 is a Indicator,electrical Tachometer, manufactured by Dynalec Corporation, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-171-9732 has 2 manufacturer part numbers on file: U4G-33 (Dynalec Corporation), U4GA ITEM 9 (Dynalec Corporation).
Key specifications for U4G-33: Length: 5.438 INCHES NOMINAL IN; Current Type: DC. 2 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.