16-3312

View detailed technical data, stock status, and sourcing information for: 16-3312
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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

6625-00-643-2783

Item Name Code

16456

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.

3.500 inches nominal overall diameter, 0.156 inches nominal mounting hole diameter, 1500.0 dielectric withstanding voltage in volts, 2.062 inches nominal overall length, dc 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: dc
Dielectric Withstanding Voltage In Volts: 1500.0
Overall Length: 2.062 inches nominal
Mounting Hole Diameter: 0.156 inches nominal
Overall Diameter: 3.500 inches nominal
Environmental Protection: airtight and dust resistant and fungus resistant and heat resistant and humidity resistant and shock resistant and vibration resistant and water resistant
Mounting Bolt Circle Diameter: 3.125 inches nominal
Furnished Items And Quantity: nut 3; lockwasher 3; seal 1
Indicator Type: dial w/pointer
Installation Design: panel
Mounting Arrangement Style: three hole/stud bolt circle
Sensitivity Rating: 600.0 ohms
Dial Scale Marking Color: black single indicator all ranges
Accuracy In Percent: -2.0 to 2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange: 1.531 inches nominal
Meter Body Diameter Behind Mounting Flange: 2.750 inches nominal
Movement Type: moving coil, permanent magnet
Background Color: cream single indicator all ranges
Pointer Color: black single indicator all ranges
Power Source: external
Mounting Facility Type And Quantity: 3 screw and 3 unthreaded hole
Scale Graduation Type: nonlinear single indicator all ranges
Measurement Range: +16.0 to 30.0 decibels single indicator 3rd range
Measurement Range: +2.0 to 16.0 decibels single indicator 2nd range
Measurement Range: -20.0 to 2.0 decibels single indicator 1st range
Scale Selection Method: terminal
Features Provided: zero adjuster
Movement Suspension Method: jewel pivot base
Circuit Attachment Method And Quantity: 2 solder lug
Special Features: ruggedized
Special Markings: on front,0 db= .001 watts-600 ohms
Material: steel
Nuclear Hardness Critical Feature: nonhardened
Surface Treatment: cadmium and chromate
Style Designator: round 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
16-3312	Audio Level Meter
461-108	Audio Level Meter
46RHS463-088	Audio Level Meter

FAQs

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

What is the FSCG of the NSN 6625-00-643-2783?

The FSCG of the NSN 6625-00-643-2783 is 6625

Does the NSN 6625-00-643-2783 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-643-2783 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 6625-00-643-2783 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-643-2783 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 6625-00-643-2783 was assigned to the Federal Catalog?

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