E51857ALTB

View detailed technical data, stock status, and sourcing information for: E51857ALTB
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6625 Electrical and Electronic Properties Measuring and Testing Instruments

National Stock Number

6625-00-643-3144

Item Name Code

00783

Assigment Date

01/01/1963 (63 years ago)

An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. If other than audio frequency ranges, see meter, noise level.

type an/upm-70 end item identification, 3.313 inches nominal overall width, 2.656 inches nominal overall height, dial-counter indicator type, 11.047 inches nominal overall length

Product Characteristics

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

Overall Length: 11.047 inches nominal
Overall Height: 2.656 inches nominal
Overall Width: 3.313 inches nominal
End Item Identification: type an/upm-70
Indicator Type: dial-counter
Rectifier Type: 1n21b crystal
Calibration Accuracy Rating: porm 0.7 mc accuracy
Special Features: internal battery accommodation: not included; instrument calibration range: 925 mc to 1225 mc range

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
E51857ALTB	Wavemeter
E851857	Wavemeter

FAQs

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

What is the FSCG of the NSN 6625-00-643-3144?

The FSCG of the NSN 6625-00-643-3144 is 6625

Does the NSN 6625-00-643-3144 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-643-3144 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 6625-00-643-3144 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-643-3144 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6625-00-643-3144 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963