Indicator, Electrical Tachometer6620-01-583-6490

NSN 6620-01-583-6490 · NIIN 015836490 · Part number 313-2025

Caterpillar Inc Div Caterpillar Defense · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 11083

Government record, cited

NSN 6620-01-583-6490 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-583-6490. Manufacturer of record part number: 313-2025.

Also searched as 6620-01-583-6490 · 6620015836490 · NIIN 015836490 · 01-583-6490 · FSC 6620 Engine Instruments · CAGE 11083 · 313-2025

Nearby stock numbers ← 6620-01-583-2779 Gage Unit, Engine · 6620-01-583-7078 Transmitter, Pressure →

Features

Indicator,electrical Tachometer — FSC 6620
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 6620-01-583-6490
NIIN: 015836490
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 313-2025
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-583-6490, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6620-01-583-6490
Primary Part Number	313-2025
Item Name	Indicator,electrical Tachometer
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
313-2025 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-583-6490?

NSN 6620-01-583-6490 is a Indicator,electrical Tachometer, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-583-6490?

NSN 6620-01-583-6490 has 1 manufacturer part number on file: 313-2025 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 313-2025?

Key specifications for 313-2025: Part Name Assigned by Controlling Agency: SENSOR, SPEED TIMING; End Item Identification: FUEL GROUP. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6620-01-583-6490 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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