4-494

View detailed technical data, stock status, and sourcing information for: 4-494
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-01-658-2955

Item Name Code

04029

Assigment Date

09/21/2016 (9 years ago)

An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. It may include a temperature equivalent scale. For items that do not have an internal pressure sensitive element see indicator, pressure.

1680-01-658-2955, indicator panel

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
21D0393-1	Indicator Panel
4-494	Indicator Panel
65912-01808-103	Indicator Panel

FAQs

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

What is the FSCG of the NSN 1680-01-658-2955?

The FSCG of the NSN 1680-01-658-2955 is 1680

Does the NSN 1680-01-658-2955 have a Schedule B code assigned?

Yes, the Schedule B code is 8807300060

Does NSN 1680-01-658-2955 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1680-01-658-2955 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-01-658-2955 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 1680-01-658-2955 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, Sep 21, 2016