251-424ECSN

View detailed technical data, stock status, and sourcing information for: 251-424ECSN
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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

6625-01-157-7878

Item Name Code

16450

Assigment Date

07/12/1983 (43 years ago)

An instrument which measures electric current and is calibrated and marked in amperes or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. For current detecting type of devices, see galvanometer.

80 single indicator single range scale division quantity, 4.180 inches maximum overall height, dc circuit current for which designed, 2.420 inches nominal overall length, 4.730 inches maximum overall width

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
Overall Length: 2.420 inches nominal
Overall Height: 4.180 inches maximum
Overall Width: 4.730 inches maximum
Scale Division Quantity: 80 single indicator single range
Mounting Stud Length: 0.500 inches nominal
Environmental Protection: humidity resistant and shock resistant and vibration resistant
Distance Between Mounting Facility Centers: 5.342 inches minimum and 5.370 inches maximum
Furnished Items And Quantity: nut 4; washer 4
Indicator Type: dial w/pointer
Installation Design: panel
Mounting Arrangement Style: two hole/stud
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: nonmagnetic
Meter Depth Behind Mounting Flange: 1.200 inches nominal
Meter Body Diameter Behind Mounting Flange: 2.700 inches maximum
Movement Type: moving iron vane
Background Color: white single indicator single range
Pointer Color: black single indicator single range
Power Source: external
Mounting Facility Type And Quantity: 2 threaded stud
Scale Graduation Type: linear single indicator single range
Measurement Range: +0.0 to 800.0 amperes, dc single indicator single range
Circuit Construction Type: nonelectronic
Mounting Stud Diameter: 0.112 inches nominal
Features Provided: zero adjuster
Movement Suspension Method: taut band
Circuit Attachment Method And Quantity: 2 threaded stud
Special Features: ruggedized
Material: plastic
Nuclear Hardness Critical Feature: nonhardened
Style Designator: rectangular flush mtg
Fsc Application Data: test set,elect. equip.

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
136402384	Ammeter
251-424ECSN	Ammeter
50-251-424ECSN	Ammeter
536402384	Ammeter

FAQs

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

What is the FSCG of the NSN 6625-01-157-7878?

The FSCG of the NSN 6625-01-157-7878 is 6625

Does the NSN 6625-01-157-7878 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-01-157-7878 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 6625-01-157-7878 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-01-157-7878 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 6625-01-157-7878 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Jul 12, 1983