306-4B

View detailed technical data, stock status, and sourcing information for: 306-4B
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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

6625-00-958-4184

Item Name Code

16449

Assigment Date

05/16/1966 (60 years ago)

4.900 inches maximum overall length, 2.695 inches maximum overall diameter, 40 single indicator all ranges scale division quantity, 0.112 inches nominal mounting hole diameter, ac circuit current for which designed

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: ac
Overall Length: 4.900 inches maximum
Mounting Hole Diameter: 0.112 inches nominal
Scale Division Quantity: 40 single indicator all ranges
Overall Diameter: 2.695 inches maximum
Environmental Protection: cold resistant and heat resistant and shock resistant
Mounting Bolt Circle Diameter: 2.430 inches minimum and 2.450 inches maximum
Furnished Items And Quantity: nut 6; washer 6
Indicator Type: dial w/pointer
Installation Design: panel
Mounting Arrangement Style: three hole/stud bolt circle
Frequency Response Range: +0.360 to 1.600 kilohertz
Dial Scale Marking Color: white single indicator all ranges
Accuracy In Percent: -1.0 to 1.0 at full scale single indicator 2nd range
Accuracy In Percent: -2.0 to 2.0 at full scale single indicator 1st range
Meter Depth Behind Mounting Flange: 4.125 inches maximum
Meter Body Diameter Behind Mounting Flange: 2.210 inches maximum
Movement Type: moving iron vane
Background Color: black single indicator all ranges
Pointer Color: white single indicator all ranges
Power Source: external
Mounting Facility Type And Quantity: 3 screw and 3 unthreaded hole
Scale Graduation Type: linear single indicator all ranges
Measurement Range: +25.0 to 65.0 volts, ac single indicator 1st range
Measurement Range: +95.0 to 135.0 volts, ac single indicator 2nd range
Scale Selection Method: terminal
Features Provided: rectifier circuit and zero adjuster
Movement Suspension Method: taut band
Circuit Attachment Method And Quantity: 3 threaded stud
Special Features: ruggedized
Special Markings: 1,2 and 3 next to term.
Material: steel corrosion resisting
Nuclear Hardness Critical Feature: nonhardened
Surface Treatment: enamel semigloss
Style Designator: round flush mtg
Fsc Application Data: test set,elect. equip.

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6625-00-908-9116	No Name Available	11/01/1976

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
122-964A	Voltmeter
263-019	Voltmeter
306-4B	Voltmeter
32D230010-3	Voltmeter
MDE323810-15	Voltmeter

FAQs

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

What is the FSCG of the NSN 6625-00-958-4184?

The FSCG of the NSN 6625-00-958-4184 is 6625

Does the NSN 6625-00-958-4184 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-958-4184 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 6625-00-958-4184 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-958-4184 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 6625-00-958-4184 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, May 16, 1966