The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-482-1073, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Instrument Specialties Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-00-482-1073 |
| Primary Part Number | 6501-1001 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Instrument Specialties Company, Inc. |
| Status | ACTIVE |
| FSC Application Data | INSTRUMENT,ENGINE,AIRCRAFT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 206-070-266-5 FSCM 97499 |
| 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 |
|---|---|
| 6501-1001 | Instrument Specialties Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 206-070-266-5 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 6620-00-482-1073 is a Indicator,electrical Tachometer, manufactured by Instrument Specialties Company, Inc., classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-00-482-1073 has 1 manufacturer part number on file: 6501-1001 (Instrument Specialties Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6620-00-493-9454. Verify interchangeability with system specifications before substitution.
Key specifications for 6501-1001: FSC Application Data: INSTRUMENT,ENGINE,AIRCRAFT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 206-070-266-5 FSCM 97499. 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.