HM3-31-2

View detailed technical data, stock status, and sourcing information for: HM3-31-2
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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

6625-00-545-7937

Item Name Code

16476

Assigment Date

01/01/1963 (63 years ago)

0.150 inches nominal mounting hole diameter, 3.160 inches nominal mounting bolt circle diameter, 3.500 inches nominal overall diameter, dc circuit current for which designed, 1.462 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: 1.462 inches nominal
Mounting Hole Diameter: 0.150 inches nominal
Overall Diameter: 3.500 inches nominal
Mounting Bolt Circle Diameter: 3.160 inches nominal
Installation Design: panel
Mounting Arrangement Style: three hole/stud bolt circle
Sensitivity Rating: 1.0 milliamperes
Dial Scale Marking Color: black all indicators single range
Accuracy In Percent: -2.0 to 2.0 at full scale all indicators single range
Meter Depth Behind Mounting Flange: 1.062 inches nominal
Meter Body Diameter Behind Mounting Flange: 2.675 inches nominal
Background Color: white single indicator single range
Mounting Facility Type And Quantity: 3 flange
Features Provided: magnetic shield
Circuit Attachment Method And Quantity: 2 solderless lug
Special Features: 3-color tube checker type scale
Special Markings: good and bad
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
HM3-31-2	Arbitrary Scale Meter

FAQs

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

What is the FSCG of the NSN 6625-00-545-7937?

The FSCG of the NSN 6625-00-545-7937 is 6625

Does the NSN 6625-00-545-7937 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-545-7937 require demilitarization?

Usml items - mutilation to the point of scrap required worldwide. (note 7).

Does NSN 6625-00-545-7937 contain precious materials?

Precious metal content is unknown

Does NSN 6625-00-545-7937 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 6625-00-545-7937 was assigned to the Federal Catalog?

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