6620-00-663-4204

Find complete technical information, availability, and procurement data for: 6620-00-663-4204
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-00-663-4204

Item Name Code

08260

Assigment Date

05/27/1967 (59 years ago)

An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

115.0 volts nominal ac voltage rating, 3.250 inches nominal diameter, ac current type, 4.250 inches nominal length, 400.0 hertz nominal frequency rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 3.250 inches nominal
Length: 4.250 inches nominal
Current Type: ac
Ac Voltage Rating: 115.0 volts nominal
Frequency Rating: 400.0 hertz nominal
Contact Quantity: 3
Contact Type: pin
Presentation Type: dial
Scale Range: +0.1 to 110.0 percent revolutions per minute single indicator single scale
Individual Marking: rpm
Electrical Connection Quantity: 1
Electrical Connection Identifying Number: an10066-10sl-3p
Pointer Finish: luminous single pointer
Pointer Type: indicating single pointer
Part Name Assigned By Controlling Agency: engine tachometer
Phase: single

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6680-00-557-0969	No Name Available	07/02/1974

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
8DJ57HAAS	Electrical Tachometer Indicator
MILI6470A	Electrical Tachometer Indicator

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6620-00-663-4204?

The FSCG of the NSN 6620-00-663-4204 is 6620

Does the NSN 6620-00-663-4204 have a Schedule B code assigned?

Yes, the Schedule B code is 9029900000

Does NSN 6620-00-663-4204 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6620-00-663-4204 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-00-663-4204 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6620-00-663-4204 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, May 27, 1967