MK777-242

View detailed technical data, stock status, and sourcing information for: MK777-242
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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

6625-00-257-5663

Item Name Code

16450

Assigment Date

06/29/1973 (53 years ago)

50 single indicator single range scale division quantity, 1.981 inches nominal overall length, dc circuit current for which designed, 3000.0 dielectric withstanding voltage in volts, 0.130 inches maximum mounting hole diameter

Product Characteristics

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

Circuit Current For Which Designed: dc
Dielectric Withstanding Voltage In Volts: 3000.0
Overall Length: 1.981 inches nominal
Mounting Hole Diameter: 0.130 inches maximum
Scale Division Quantity: 50 single indicator single range
Overall Diameter: 2.695 inches maximum
Environmental Protection: dustproof
Mounting Bolt Circle Diameter: 2.440 inches nominal
Indicator Type: dial w/pointer
Installation Design: panel
Mounting Arrangement Style: three hole/stud bolt circle
Dial Scale Marking Color: black single indicator single range
Accuracy In Percent: -2.0 to 2.0 at full scale single indicator single range
Panel For Which Designed: magnetic
Meter Depth Behind Mounting Flange: 1.506 inches maximum
Meter Body Diameter Behind Mounting Flange: 2.265 inches maximum
Movement Type: moving coil, permanent magnet
Background Color: white single indicator single range
Pointer Color: black single indicator single range
Power Source: external
Mounting Facility Type And Quantity: 3 unthreaded hole
Scale Graduation Type: linear single indicator single range
Measurement Range: +0.0 to 1000.0 amperes, dc single indicator single range
Circuit Construction Type: nonelectronic
Scale Selection Method: switch
Features Provided: magnetic shield
Movement Suspension Method: jewel pivot base
Circuit Attachment Method And Quantity: 2 threaded stud
Material: plastic
Nuclear Hardness Critical Feature: nonhardened
Surface Treatment: enamel semigloss
Style Designator: round flush mtg

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
200R1998	Ammeter
MK777-242	Ammeter

FAQs

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

What is the FSCG of the NSN 6625-00-257-5663?

The FSCG of the NSN 6625-00-257-5663 is 6625

Does the NSN 6625-00-257-5663 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-257-5663 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 6625-00-257-5663 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-257-5663 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 6625-00-257-5663 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 29, 1973