STC521

View detailed technical data, stock status, and sourcing information for: STC521
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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

6625-00-837-3829

Item Name Code

16450

Assigment Date

12/12/1966 (59 years ago)

3.500 inches nominal overall diameter, 2.600 inches nominal overall length, dial w/pointer indicator type, dc circuit current for which designed, 75 single indicator single range scale division quantity

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: 2.600 inches nominal
Scale Division Quantity: 75 single indicator single range
Overall Diameter: 3.500 inches nominal
Indicator Type: dial w/pointer
Installation Design: panel
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: 1.250 inches nominal
Meter Body Diameter Behind Mounting Flange: 2.800 inches nominal
Movement Type: moving magnet
Background Color: white single indicator single range
Pointer Color: black single indicator single range
Mounting Facility Type And Quantity: 3 screw
Scale Graduation Type: linear single indicator single range
Measurement Range: +0.0 to 75.0 amperes, dc single indicator single range
Circuit Construction Type: electronic, solid state
Circuit Attachment Method And Quantity: 2 binding post
Special Markings: red line at 50 amps
Nuclear Hardness Critical Feature: nonhardened
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
65B42521	Ammeter
AED3N30837	Ammeter
STC521	Ammeter

FAQs

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

What is the FSCG of the NSN 6625-00-837-3829?

The FSCG of the NSN 6625-00-837-3829 is 6625

Does the NSN 6625-00-837-3829 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-837-3829 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 6625-00-837-3829 contain precious materials?

Precious metal content is unknown

Does NSN 6625-00-837-3829 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 6625-00-837-3829 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Dec 12, 1966