Indicator, Electrical Tachometer6620-01-731-9986

NSN 6620-01-731-9986 · NIIN 017319986 · Part number 1605-32001-58

Critical Solutions International, Llc · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 1N5S7

Government record, cited

NSN 6620-01-731-9986 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-731-9986. Manufacturer of record part number: 1605-32001-58.

Also searched as 6620-01-731-9986 · 6620017319986 · NIIN 017319986 · 01-731-9986 · FSC 6620 Engine Instruments · CAGE 1N5S7 · 1605-32001-58

Nearby stock numbers ← 6620-01-731-9563 Transmitter, Rate of Flow · 6620-01-732-0921 Indicator, Pressure →

Features

Indicator,electrical Tachometer — FSC 6620
1 manufacturer part number on file
Manufacturer of record: Critical Solutions International, Llc

Identification

NSN: 6620-01-731-9986
NIIN: 017319986
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 1605-32001-58
Manufacturer: Critical Solutions International, Llc

General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-731-9986, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Critical Solutions International, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Indicator,electrical Tachometer
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Critical Solutions International, Llc (CAGE 1N5S7)

Technical Specifications

Parameter	Value
NSN	6620-01-731-9986
Primary Part Number	1605-32001-58
Item Name	Indicator,electrical Tachometer
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Critical Solutions International, Llc
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
1605-32001-58 PRIMARY	Critical Solutions International, Llc (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 6620-01-731-9986?

NSN 6620-01-731-9986 is a Indicator,electrical Tachometer, manufactured by Critical Solutions International, Llc, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-731-9986?

NSN 6620-01-731-9986 has 1 manufacturer part number on file: 1605-32001-58 (Critical Solutions International, Llc).

Is NSN 6620-01-731-9986 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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