The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-081-9181, 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 Ametek, Inc. Div Aerospace & Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-081-9181 |
| Primary Part Number | SEDL-C329C |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Scale Marking | NUMERALS |
| Length | 5.000 INCHES NOMINAL IN |
| Scale Marking Transparency | LUMINOUS |
| Contact Quantity | 1 |
| Pointer Type | CLOCK-HAND ALL POINTERS |
| Presentation Type | INDICATOR LIGHT |
| Scale Division Quantity | 12 SINGLE INDICATOR SINGLE SCALE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 206-075-713 |
| 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 |
|---|---|
| SEDL-C329C | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| 206-075-713 | 1/3 Source control — Government-approved source U.S. Government activity |
| 206-075-713-101 | 5/3 Secondary reference U.S. Government activity |
NSN 6680-01-081-9181 is a Indicator,electrical Tachometer, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-081-9181 has 1 manufacturer part number on file: SEDL-C329C (Ametek, Inc. Div Aerospace & Defense).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-108-7271, 6680-01-109-8824. Verify interchangeability with system specifications before substitution.
Key specifications for SEDL-C329C: Scale Marking: NUMERALS; Length: 5.000 INCHES NOMINAL IN; Scale Marking Transparency: LUMINOUS; Contact Quantity: 1. 8 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.