S49M-55-65HZ

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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

6625-00-151-7801

Item Name Code

16454

Assigment Date

01/01/1963 (63 years ago)

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. Excludes: counter electronic digital.

2.125 inches nominal overall length, dc circuit current for which designed, 3.375 inches nominal center to center distance between mounting facilities parallel to length, 3.125 inches nominal center to center distance between mounting facilities parallel to width, 3.750 inches nominal overall height

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: 2.125 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 3.375 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Width: 3.125 inches nominal
Overall Height: 3.750 inches nominal
Overall Width: 4.000 inches nominal
Mounting Hole Diameter: 0.141 inches nominal
Scale Division Quantity: 50 single indicator single range
Indicator Type: dial w/pointer
Installation Design: panel
Mounting Arrangement Style: four hole/stud rectangular/square
Dial Scale Marking Color: black single indicator single range
Accuracy In Percent: -1.0 to 1.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange: 1.500 inches nominal
Meter Body Diameter Behind Mounting Flange: 3.500 inches nominal
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: 4 unthreaded hole
Scale Graduation Type: linear single indicator single range
Measurement Range: +55.0 to 65.0 hertz single indicator single range
Features Provided: zero adjuster
Movement Suspension Method: jewel pivot base
Circuit Attachment Method And Quantity: 2 threaded stud
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
490-043	Electrical Frequency Meter
S49-59	Electrical Frequency Meter
S49M-55-65HZ	Electrical Frequency Meter

FAQs

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

What is the FSCG of the NSN 6625-00-151-7801?

The FSCG of the NSN 6625-00-151-7801 is 6625

Does the NSN 6625-00-151-7801 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-151-7801 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 6625-00-151-7801 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-151-7801 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 6625-00-151-7801 was assigned to the Federal Catalog?

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