Indicator, Electrical Tachometer6620-01-114-5656

NSN 6620-01-114-5656 · NIIN 011145656

FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6620-01-114-5656 · 6620011145656 · NIIN 011145656 · 01-114-5656 · FSC 6620 Engine Instruments · 8DJ199LWG1 · 4L97553-101A

Nearby stock numbers ← 6620-01-114-4059 · 6620-01-114-5720 →

Features

Indicator,electrical Tachometer — FSC 6620
Individual Marking: RPM % X 10
Mounting Facility Type and Quantity: 1 FLANGE
Phase: SINGLE
Contact Type: PIN
Length: 9.750 INCHES NOMINAL IN
AC Voltage Rating: 115.0 VOLTS NOMINAL
Current Type: AC

Identification

NSN: 6620-01-114-5656
NIIN: 011145656
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-114-5656, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6620-01-114-5656
Item Name	Indicator,electrical Tachometer
FSC / FSG	6620 / 66 — Engine Instruments
Status	ACTIVE
Individual Marking	RPM % X 10
Mounting Facility Type and Quantity	1 FLANGE
Phase	SINGLE
Contact Type	PIN
Length	9.750 INCHES NOMINAL IN
AC Voltage Rating	115.0 VOLTS NOMINAL
Current Type	AC
Electrical Connection Quantity	1
Electrical Connection Identifying Number	MS3126F18-32S
Dial Height	4.125 INCHES NOMINAL IN
Scale Range	+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR ALL SCALES
Contact Quantity	32
Height	6.310 INCHES NOMINAL IN
Color	WHITE BACKGROUND OVERALL
Frequency Rating	400.0 HERTZ NOMINAL
Dial Width	1.438 INCHES NOMINAL IN

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
8DJ199LWG1	3/2 Design control — primary reference U.S. Government activity
4L97553-101A	1/2 Source control — Government-approved source U.S. Government activity

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 6620-01-114-5656?

NSN 6620-01-114-5656 is a Indicator,electrical Tachometer, classified under FSC 6620, Engine Instruments. Status: active.

What are the specifications of 6620-01-114-5656?

Key specifications for 6620-01-114-5656: Individual Marking: RPM % X 10; Mounting Facility Type and Quantity: 1 FLANGE; Phase: SINGLE; Contact Type: PIN. 16 specifications are documented in the U.S. Government catalog.

Is NSN 6620-01-114-5656 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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