495-320

View detailed technical data, stock status, and sourcing information for: 495-320
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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

6625-00-971-6416

Item Name Code

16450

Assigment Date

09/28/1966 (59 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

3.376 inches nominal center to center distance between mounting facilities parallel to length, dc circuit current for which designed, 3.376 inches nominal center to center distance between mounting facilities parallel to width, 4.422 inches nominal overall height, 3.750 inches nominal overall length

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: 3.750 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 3.376 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Width: 3.376 inches nominal
Overall Height: 4.422 inches nominal
Overall Width: 4.422 inches nominal
Scale Division Quantity: 40 single indicator single range
Mounting Stud Length: 0.625 inches nominal
Environmental Protection: dustproof
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: -1.5 to 1.5 at full scale single indicator single range
Panel For Which Designed: nonmagnetic
Meter Depth Behind Mounting Flange: 3.500 inches nominal
Meter Body Diameter Behind Mounting Flange: 3.960 inches nominal
Movement Type: moving coil, permanent magnet
Background Color: white single indicator single range
Pointer Color: black single indicator single range
Power Source: external
Mounting Facility Type And Quantity: 4 threaded stud
Scale Graduation Type: linear single indicator single range
Measurement Range: -2000.0 to 2000.0 amperes, dc single indicator single range
Circuit Construction Type: nonelectronic
Mounting Stud Diameter: 0.250 inches nominal
Scale Selection Method: terminal
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
Surface Treatment: enamel
Style Designator: rectangular flush mtg
Fsc Application Data: test set electronic

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
293B099A31	Ammeter
495-320	Ammeter
S293B099A10	Ammeter

FAQs

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

What is the FSCG of the NSN 6625-00-971-6416?

The FSCG of the NSN 6625-00-971-6416 is 6625

Does the NSN 6625-00-971-6416 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-971-6416 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 6625-00-971-6416 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-971-6416 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 6625-00-971-6416 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Sep 28, 1966